DRAFT PH Road Safety Implementation Guide
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DRAFT PH Road Safety Implementation Guide - Local Development build (v0.1.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

Resource Profile: RSObservation - Detailed Descriptions

Draft as of 2025-10-09

Definitions for the RS-Observation resource profile.

Guidance on how to interpret the contents of this table can be foundhere

0. Observation
Definition

Measurements and simple assertions made about a patient, device or other subject.

ShortMeasurements and simple assertions
Comments

Used for simple observations such as device measurements, laboratory atomic results, vital signs, height, weight, smoking status, comments, etc. Other resources are used to provide context for observations such as laboratory reports, etc.

Control0..*
Is Modifierfalse
Summaryfalse
Alternate NamesVital Signs, Measurement, Results, Tests
Invariantsdom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources (contained.contained.empty())
dom-3: If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource (contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty())
dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated (contained.meta.versionId.empty() and contained.meta.lastUpdated.empty())
dom-5: If a resource is contained in another resource, it SHALL NOT have a security label (contained.meta.security.empty())
dom-6: A resource should have narrative for robust management (text.`div`.exists())
obs-6: dataAbsentReason SHALL only be present if Observation.value[x] is not present (dataAbsentReason.empty() or value.empty())
obs-7: If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present (value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty())
obs-6: dataAbsentReason SHALL only be present if Observation.value[x] is not present (dataAbsentReason.empty() or value.empty())
obs-7: If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present (value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty())
2. Observation.implicitRules
Definition

A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.

ShortA set of rules under which this content was created
Comments

Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc.

Control0..1
Typeuri
Is Modifiertrue because This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Summarytrue
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
4. Observation.extension
Definition

An Extension


May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

ShortExtensionAdditional content defined by implementations
Comments

There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

Control0..*
TypeExtension
Is Modifierfalse
Summaryfalse
Alternate Namesextensions, user content
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
SlicingThis element introduces a set of slices on Observation.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
  • value @ url
  • 6. Observation.extension:externalCauseDetail
    Slice NameexternalCauseDetail
    Definition

    Additional detail for external cause (e.g., specify animal/insect, weapon, burn type).

    ShortExternal Cause Detail
    Control0..*
    This element is affected by the following invariants: ele-1
    TypeExtension(External Cause Detail) (Extension Type: string)
    Is Modifierfalse
    Summaryfalse
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
    8. Observation.extension:transportDetails
    Slice NametransportDetails
    Definition

    Details about mode of transport, vehicles involved, positions.

    ShortTransport Details
    Control0..1
    This element is affected by the following invariants: ele-1
    TypeExtension(Transport Details) (Complex Extension)
    Is Modifierfalse
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
    10. Observation.extension:safetyNotes
    Slice NamesafetyNotes
    Definition

    An Extension

    ShortSafety / Other Risk Factors
    Control0..1
    This element is affected by the following invariants: ele-1
    TypeExtension(Safety / Other Risk Factors) (Extension Type: Choice of: base64Binary, boolean, canonical, code, date, dateTime, decimal, id, instant, integer, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, Reference, SampledData, Signature, Timing, ContactDetail, Contributor, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Dosage, Meta)
    Is Modifierfalse
    Summaryfalse
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
    12. Observation.modifierExtension
    Definition

    May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

    ShortExtensions that cannot be ignored
    Comments

    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

    Control0..*
    TypeExtension
    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them
    Summaryfalse
    Requirements

    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

    Alternate Namesextensions, user content
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
    14. Observation.status
    Definition

    The status of the result value.

    Shortregistered | preliminary | final | amended +
    Comments

    This element is labeled as a modifier because the status contains codes that mark the resource as not currently valid.

    Control1..1
    BindingThe codes SHALL be taken from ObservationStatushttp://hl7.org/fhir/ValueSet/observation-status|4.0.1
    (required to http://hl7.org/fhir/ValueSet/observation-status|4.0.1)

    Codes providing the status of an observation.

    Typecode
    Is Modifiertrue because This element is labeled as a modifier because it is a status element that contains status entered-in-error which means that the resource should not be treated as valid
    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
    Summarytrue
    Requirements

    Need to track the status of individual results. Some results are finalized before the whole report is finalized.

    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    16. Observation.category
    Definition

    A code that classifies the general type of observation being made.

    ShortClassification of type of observation
    Comments

    In addition to the required category valueset, this element allows various categorization schemes based on the owner’s definition of the category and effectively multiple categories can be used at once. The level of granularity is defined by the category concepts in the value set.

    Control0..*
    BindingThe codes SHOULD be taken from ObservationCategoryCodeshttp://hl7.org/fhir/ValueSet/observation-category|4.0.1
    (preferred to http://hl7.org/fhir/ValueSet/observation-category|4.0.1)

    Codes for high level observation categories.

    TypeCodeableConcept
    Is Modifierfalse
    Must Supporttrue
    Summaryfalse
    Requirements

    Used for filtering what observations are retrieved and displayed.

    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    18. Observation.code
    Definition

    Describes what was observed. Sometimes this is called the observation "name".

    ShortType of observation (code / type)
    Comments

    All code-value and, if present, component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

    Control1..1
    BindingThe codes SHOULD be taken from For example codes, see RSInjuryTypeVShttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
    (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-InjuryType)
    TypeCodeableConcept
    Is Modifierfalse
    Summarytrue
    Requirements

    Knowing what kind of observation is being made is essential to understanding the observation.

    Alternate NamesName
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    20. Observation.subject
    Definition

    The patient, or group of patients, location, or device this observation is about and into whose record the observation is placed. If the actual focus of the observation is different from the subject (or a sample of, part, or region of the subject), the focus element or the code itself specifies the actual focus of the observation.

    ShortWho and/or what the observation is about
    Comments

    One would expect this element to be a cardinality of 1..1. The only circumstance in which the subject can be missing is when the observation is made by a device that does not know the patient. In this case, the observation SHALL be matched to a patient through some context/channel matching technique, and at this point, the observation should be updated.

    Control0..1
    TypeReference(Road Safety Patient, Patient, Group, Device, Location)
    Is Modifierfalse
    Summarytrue
    Requirements

    Observations have no value if you don't know who or what they're about.

    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    22. Observation.encounter
    Definition

    The healthcare event (e.g. a patient and healthcare provider interaction) during which this observation is made.

    ShortHealthcare event during which this observation is made
    Comments

    This will typically be the encounter the event occurred within, but some events may be initiated prior to or after the official completion of an encounter but still be tied to the context of the encounter (e.g. pre-admission laboratory tests).

    Control0..1
    TypeReference(Road Safety Encounter, Encounter)
    Is Modifierfalse
    Summarytrue
    Requirements

    For some observations it may be important to know the link between an observation and a particular encounter.

    Alternate NamesContext
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    24. Observation.performer
    Definition

    Who was responsible for asserting the observed value as "true".

    ShortWho is responsible for the observation
    Control0..*
    TypeReference(PH Core Practitioner, Practitioner, PractitionerRole, Organization, CareTeam, Patient, RelatedPerson)
    Is Modifierfalse
    Summarytrue
    Requirements

    May give a degree of confidence in the observation and also indicates where follow-up questions should be directed.

    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    26. Observation.component
    Definition

    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

    ShortComponent results
    Comments

    For a discussion on the ways Observations can be assembled in groups together see Notes below.

    Control10..*
    TypeBackboneElement
    Is Modifierfalse
    Summarytrue
    Requirements

    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    SlicingThis element introduces a set of slices on Observation.component. The slices areUnordered and Open, and can be differentiated using the following discriminators:
    • value @ code
    • 28. Observation.component.modifierExtension
      Definition

      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

      ShortExtensions that cannot be ignored even if unrecognized
      Comments

      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

      Control0..*
      TypeExtension
      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
      Summarytrue
      Requirements

      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

      Alternate Namesextensions, user content, modifiers
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
      30. Observation.component.code
      Definition

      Describes what was observed. Sometimes this is called the observation "code".

      ShortType of component observation (code / type)
      Comments

      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

      Control1..1
      BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

      Codes identifying names of simple observations.

      TypeCodeableConcept
      Is Modifierfalse
      Summarytrue
      Requirements

      Knowing what kind of observation is being made is essential to understanding the observation.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      32. Observation.component:DateTimeComponent
      Slice NameDateTimeComponent
      Definition

      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

      ShortComponent results
      Comments

      For a discussion on the ways Observations can be assembled in groups together see Notes below.

      Control0..*
      TypeBackboneElement
      Is Modifierfalse
      Summarytrue
      Requirements

      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      34. Observation.component:DateTimeComponent.modifierExtension
      Definition

      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

      ShortExtensions that cannot be ignored even if unrecognized
      Comments

      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

      Control0..*
      TypeExtension
      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
      Summarytrue
      Requirements

      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

      Alternate Namesextensions, user content, modifiers
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
      36. Observation.component:DateTimeComponent.code
      Definition

      Describes what was observed. Sometimes this is called the observation "code".

      ShortType of component observation (code / type)
      Comments

      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

      Control1..1
      BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

      Codes identifying names of simple observations.

      TypeCodeableConcept
      Is Modifierfalse
      Summarytrue
      Requirements

      Knowing what kind of observation is being made is essential to understanding the observation.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      38. Observation.component:DateTimeComponent.value[x]
      Definition

      The information determined as a result of making the observation, if the information has a simple value.

      ShortActual component result
      Comments

      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

      Control10..1
      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Requirements

      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      40. Observation.component:SystolicBP
      Slice NameSystolicBP
      Definition

      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

      ShortComponent results
      Comments

      For a discussion on the ways Observations can be assembled in groups together see Notes below.

      Control0..1*
      TypeBackboneElement
      Is Modifierfalse
      Summarytrue
      Requirements

      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      42. Observation.component:SystolicBP.modifierExtension
      Definition

      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

      ShortExtensions that cannot be ignored even if unrecognized
      Comments

      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

      Control0..*
      TypeExtension
      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
      Summarytrue
      Requirements

      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

      Alternate Namesextensions, user content, modifiers
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
      44. Observation.component:SystolicBP.code
      Definition

      Describes what was observed. Sometimes this is called the observation "code".

      ShortType of component observation (code / type)
      Comments

      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

      Control1..1
      BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

      Codes identifying names of simple observations.

      TypeCodeableConcept
      Is Modifierfalse
      Summarytrue
      Requirements

      Knowing what kind of observation is being made is essential to understanding the observation.

      Pattern Value{
        "coding" : [{
          "system" : "http://loinc.org",
          "code" : "8480-6",
          "display" : "Systolic blood pressure"
        }]
      }
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      46. Observation.component:SystolicBP.value[x]
      Definition

      The information determined as a result of making the observation, if the information has a simple value.

      ShortActual component result
      Comments

      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

      Control0..1
      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Requirements

      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
      • type @ $this
      • 48. Observation.component:SystolicBP.value[x]:valueQuantity
        Slice NamevalueQuantity
        Definition

        The information determined as a result of making the observation, if the information has a simple value.

        ShortActual component result
        Comments

        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

        Control0..1
        TypeQuantity, dateTime, boolean, string, SampledData, Period, Ratio, integer, time, Range, CodeableConcept
        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
        Is Modifierfalse
        Summarytrue
        Requirements

        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        50. Observation.component:DiastolicBP
        Slice NameDiastolicBP
        Definition

        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

        ShortComponent results
        Comments

        For a discussion on the ways Observations can be assembled in groups together see Notes below.

        Control0..1*
        TypeBackboneElement
        Is Modifierfalse
        Summarytrue
        Requirements

        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        52. Observation.component:DiastolicBP.modifierExtension
        Definition

        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

        ShortExtensions that cannot be ignored even if unrecognized
        Comments

        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

        Control0..*
        TypeExtension
        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
        Summarytrue
        Requirements

        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

        Alternate Namesextensions, user content, modifiers
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
        54. Observation.component:DiastolicBP.code
        Definition

        Describes what was observed. Sometimes this is called the observation "code".

        ShortType of component observation (code / type)
        Comments

        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

        Control1..1
        BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

        Codes identifying names of simple observations.

        TypeCodeableConcept
        Is Modifierfalse
        Summarytrue
        Requirements

        Knowing what kind of observation is being made is essential to understanding the observation.

        Pattern Value{
          "coding" : [{
            "system" : "http://loinc.org",
            "code" : "8462-4",
            "display" : "Diastolic blood pressure"
          }]
        }
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        56. Observation.component:DiastolicBP.value[x]
        Definition

        The information determined as a result of making the observation, if the information has a simple value.

        ShortActual component result
        Comments

        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

        Control0..1
        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
        Is Modifierfalse
        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
        Summarytrue
        Requirements

        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
        • type @ $this
        • 58. Observation.component:DiastolicBP.value[x]:valueQuantity
          Slice NamevalueQuantity
          Definition

          The information determined as a result of making the observation, if the information has a simple value.

          ShortActual component result
          Comments

          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

          Control0..1
          TypeQuantity, dateTime, boolean, string, SampledData, Period, Ratio, integer, time, Range, CodeableConcept
          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
          Is Modifierfalse
          Summarytrue
          Requirements

          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          60. Observation.component:HeartRate
          Slice NameHeartRate
          Definition

          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

          ShortComponent results
          Comments

          For a discussion on the ways Observations can be assembled in groups together see Notes below.

          Control0..1*
          TypeBackboneElement
          Is Modifierfalse
          Summarytrue
          Requirements

          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          62. Observation.component:HeartRate.modifierExtension
          Definition

          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

          ShortExtensions that cannot be ignored even if unrecognized
          Comments

          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

          Control0..*
          TypeExtension
          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
          Summarytrue
          Requirements

          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

          Alternate Namesextensions, user content, modifiers
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
          64. Observation.component:HeartRate.code
          Definition

          Describes what was observed. Sometimes this is called the observation "code".

          ShortType of component observation (code / type)
          Comments

          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

          Control1..1
          BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

          Codes identifying names of simple observations.

          TypeCodeableConcept
          Is Modifierfalse
          Summarytrue
          Requirements

          Knowing what kind of observation is being made is essential to understanding the observation.

          Pattern Value{
            "coding" : [{
              "system" : "http://loinc.org",
              "code" : "8867-4",
              "display" : "Heart rate"
            }]
          }
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          66. Observation.component:HeartRate.value[x]
          Definition

          The information determined as a result of making the observation, if the information has a simple value.

          ShortActual component result
          Comments

          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

          Control0..1
          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
          Is Modifierfalse
          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
          Summarytrue
          Requirements

          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
          • type @ $this
          • 68. Observation.component:HeartRate.value[x]:valueQuantity
            Slice NamevalueQuantity
            Definition

            The information determined as a result of making the observation, if the information has a simple value.

            ShortActual component result
            Comments

            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

            Control0..1
            TypeQuantity, dateTime, boolean, string, SampledData, Period, Ratio, integer, time, Range, CodeableConcept
            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
            Is Modifierfalse
            Summarytrue
            Requirements

            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            70. Observation.component:RespiratoryRate
            Slice NameRespiratoryRate
            Definition

            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

            ShortComponent results
            Comments

            For a discussion on the ways Observations can be assembled in groups together see Notes below.

            Control0..1*
            TypeBackboneElement
            Is Modifierfalse
            Summarytrue
            Requirements

            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            72. Observation.component:RespiratoryRate.modifierExtension
            Definition

            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

            ShortExtensions that cannot be ignored even if unrecognized
            Comments

            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

            Control0..*
            TypeExtension
            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
            Summarytrue
            Requirements

            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

            Alternate Namesextensions, user content, modifiers
            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
            74. Observation.component:RespiratoryRate.code
            Definition

            Describes what was observed. Sometimes this is called the observation "code".

            ShortType of component observation (code / type)
            Comments

            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

            Control1..1
            BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

            Codes identifying names of simple observations.

            TypeCodeableConcept
            Is Modifierfalse
            Summarytrue
            Requirements

            Knowing what kind of observation is being made is essential to understanding the observation.

            Pattern Value{
              "coding" : [{
                "system" : "http://loinc.org",
                "code" : "9279-1",
                "display" : "Respiratory rate"
              }]
            }
            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            76. Observation.component:RespiratoryRate.value[x]
            Definition

            The information determined as a result of making the observation, if the information has a simple value.

            ShortActual component result
            Comments

            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

            Control0..1
            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
            Is Modifierfalse
            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
            Summarytrue
            Requirements

            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
            • type @ $this
            • 78. Observation.component:RespiratoryRate.value[x]:valueQuantity
              Slice NamevalueQuantity
              Definition

              The information determined as a result of making the observation, if the information has a simple value.

              ShortActual component result
              Comments

              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

              Control0..1
              TypeQuantity, dateTime, boolean, string, SampledData, Period, Ratio, integer, time, Range, CodeableConcept
              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
              Is Modifierfalse
              Summarytrue
              Requirements

              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              80. Observation.component:Temperature
              Slice NameTemperature
              Definition

              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

              ShortComponent results
              Comments

              For a discussion on the ways Observations can be assembled in groups together see Notes below.

              Control0..1*
              TypeBackboneElement
              Is Modifierfalse
              Summarytrue
              Requirements

              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              82. Observation.component:Temperature.modifierExtension
              Definition

              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

              ShortExtensions that cannot be ignored even if unrecognized
              Comments

              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

              Control0..*
              TypeExtension
              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
              Summarytrue
              Requirements

              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

              Alternate Namesextensions, user content, modifiers
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
              84. Observation.component:Temperature.code
              Definition

              Describes what was observed. Sometimes this is called the observation "code".

              ShortType of component observation (code / type)
              Comments

              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

              Control1..1
              BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

              Codes identifying names of simple observations.

              TypeCodeableConcept
              Is Modifierfalse
              Summarytrue
              Requirements

              Knowing what kind of observation is being made is essential to understanding the observation.

              Pattern Value{
                "coding" : [{
                  "system" : "http://loinc.org",
                  "code" : "8310-5",
                  "display" : "Body temperature"
                }]
              }
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              86. Observation.component:Temperature.value[x]
              Definition

              The information determined as a result of making the observation, if the information has a simple value.

              ShortActual component result
              Comments

              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

              Control0..1
              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
              Is Modifierfalse
              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
              Summarytrue
              Requirements

              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
              • type @ $this
              • 88. Observation.component:Temperature.value[x]:valueQuantity
                Slice NamevalueQuantity
                Definition

                The information determined as a result of making the observation, if the information has a simple value.

                ShortActual component result
                Comments

                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                Control0..1
                TypeQuantity, dateTime, boolean, string, SampledData, Period, Ratio, integer, time, Range, CodeableConcept
                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                Is Modifierfalse
                Summarytrue
                Requirements

                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                90. Observation.component:RespiratoryRhythm
                Slice NameRespiratoryRhythm
                Definition

                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                ShortComponent results
                Comments

                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                Control0..1*
                TypeBackboneElement
                Is Modifierfalse
                Summarytrue
                Requirements

                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                92. Observation.component:RespiratoryRhythm.modifierExtension
                Definition

                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                ShortExtensions that cannot be ignored even if unrecognized
                Comments

                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                Control0..*
                TypeExtension
                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                Summarytrue
                Requirements

                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                Alternate Namesextensions, user content, modifiers
                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                94. Observation.component:RespiratoryRhythm.code
                Definition

                Describes what was observed. Sometimes this is called the observation "code".

                ShortType of component observation (code / type)
                Comments

                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                Control1..1
                BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                Codes identifying names of simple observations.

                TypeCodeableConcept
                Is Modifierfalse
                Summarytrue
                Requirements

                Knowing what kind of observation is being made is essential to understanding the observation.

                Pattern Value{
                  "coding" : [{
                    "system" : "http://loinc.org",
                    "code" : "9304-7",
                    "display" : "Respiration rhythm"
                  }]
                }
                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                96. Observation.component:RespiratoryRhythm.value[x]
                Definition

                The information determined as a result of making the observation, if the information has a simple value.

                ShortActual component result
                Comments

                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                Control0..1
                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                Is Modifierfalse
                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                Summarytrue
                Requirements

                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                • type @ $this
                • 98. Observation.component:RespiratoryRhythm.value[x]:valueCodeableConcept
                  Slice NamevalueCodeableConcept
                  Definition

                  The information determined as a result of making the observation, if the information has a simple value.

                  ShortActual component result
                  Comments

                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                  Control0..1
                  BindingThe codes SHOULD be taken from For codes, see RSRespiratoryRhythmVS
                  (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-RespiratoryRhythm)
                  TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                  Is Modifierfalse
                  Summarytrue
                  Requirements

                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  100. Observation.component:BreathSounds
                  Slice NameBreathSounds
                  Definition

                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                  ShortComponent results
                  Comments

                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                  Control0..1*
                  TypeBackboneElement
                  Is Modifierfalse
                  Summarytrue
                  Requirements

                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  102. Observation.component:BreathSounds.modifierExtension
                  Definition

                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                  ShortExtensions that cannot be ignored even if unrecognized
                  Comments

                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                  Control0..*
                  TypeExtension
                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                  Summarytrue
                  Requirements

                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                  Alternate Namesextensions, user content, modifiers
                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                  104. Observation.component:BreathSounds.code
                  Definition

                  Describes what was observed. Sometimes this is called the observation "code".

                  ShortType of component observation (code / type)
                  Comments

                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                  Control1..1
                  BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                  Codes identifying names of simple observations.

                  TypeCodeableConcept
                  Is Modifierfalse
                  Summarytrue
                  Requirements

                  Knowing what kind of observation is being made is essential to understanding the observation.

                  Pattern Value{
                    "coding" : [{
                      "system" : "http://loinc.org",
                      "code" : "80319-7",
                      "display" : "Breath sounds by Auscultation"
                    }]
                  }
                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  106. Observation.component:BreathSounds.value[x]
                  Definition

                  The information determined as a result of making the observation, if the information has a simple value.

                  ShortActual component result
                  Comments

                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                  Control0..1
                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                  Is Modifierfalse
                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                  Summarytrue
                  Requirements

                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                  • type @ $this
                  • 108. Observation.component:BreathSounds.value[x]:valueCodeableConcept
                    Slice NamevalueCodeableConcept
                    Definition

                    The information determined as a result of making the observation, if the information has a simple value.

                    ShortActual component result
                    Comments

                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                    Control0..1
                    BindingThe codes SHOULD be taken from For codes, see RSBreathSoundsVS
                    (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-BreathSounds)
                    TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                    Is Modifierfalse
                    Summarytrue
                    Requirements

                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                    110. Observation.component:PulseRhythm
                    Slice NamePulseRhythm
                    Definition

                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                    ShortComponent results
                    Comments

                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                    Control0..1*
                    TypeBackboneElement
                    Is Modifierfalse
                    Summarytrue
                    Requirements

                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                    112. Observation.component:PulseRhythm.modifierExtension
                    Definition

                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                    ShortExtensions that cannot be ignored even if unrecognized
                    Comments

                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                    Control0..*
                    TypeExtension
                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                    Summarytrue
                    Requirements

                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                    Alternate Namesextensions, user content, modifiers
                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                    114. Observation.component:PulseRhythm.code
                    Definition

                    Describes what was observed. Sometimes this is called the observation "code".

                    ShortType of component observation (code / type)
                    Comments

                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                    Control1..1
                    BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                    Codes identifying names of simple observations.

                    TypeCodeableConcept
                    Is Modifierfalse
                    Summarytrue
                    Requirements

                    Knowing what kind of observation is being made is essential to understanding the observation.

                    Pattern Value{
                      "coding" : [{
                        "system" : "http://loinc.org",
                        "code" : "8884-9",
                        "display" : "Heart rate rhythm"
                      }]
                    }
                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                    116. Observation.component:PulseRhythm.value[x]
                    Definition

                    The information determined as a result of making the observation, if the information has a simple value.

                    ShortActual component result
                    Comments

                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                    Control0..1
                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                    Is Modifierfalse
                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                    Summarytrue
                    Requirements

                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                    • type @ $this
                    • 118. Observation.component:PulseRhythm.value[x]:valueCodeableConcept
                      Slice NamevalueCodeableConcept
                      Definition

                      The information determined as a result of making the observation, if the information has a simple value.

                      ShortActual component result
                      Comments

                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                      Control0..1
                      BindingThe codes SHOULD be taken from For codes, see RSPulseRhythmVS
                      (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-PulseRhythm)
                      TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                      Is Modifierfalse
                      Summarytrue
                      Requirements

                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      120. Observation.component:PulseQuality
                      Slice NamePulseQuality
                      Definition

                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                      ShortComponent results
                      Comments

                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                      Control0..1*
                      TypeBackboneElement
                      Is Modifierfalse
                      Summarytrue
                      Requirements

                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      122. Observation.component:PulseQuality.modifierExtension
                      Definition

                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                      ShortExtensions that cannot be ignored even if unrecognized
                      Comments

                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                      Control0..*
                      TypeExtension
                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                      Summarytrue
                      Requirements

                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                      Alternate Namesextensions, user content, modifiers
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                      124. Observation.component:PulseQuality.code
                      Definition

                      Describes what was observed. Sometimes this is called the observation "code".

                      ShortType of component observation (code / type)
                      Comments

                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                      Control1..1
                      BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                      Codes identifying names of simple observations.

                      TypeCodeableConcept
                      Is Modifierfalse
                      Summarytrue
                      Requirements

                      Knowing what kind of observation is being made is essential to understanding the observation.

                      Pattern Value{
                        "coding" : [{
                          "system" : "http://loinc.org",
                          "code" : "8866-6",
                          "display" : "Arterial pulse quality by palpation"
                        }]
                      }
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      126. Observation.component:PulseQuality.value[x]
                      Definition

                      The information determined as a result of making the observation, if the information has a simple value.

                      ShortActual component result
                      Comments

                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                      Control0..1
                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                      Is Modifierfalse
                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                      Summarytrue
                      Requirements

                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                      • type @ $this
                      • 128. Observation.component:PulseQuality.value[x]:valueCodeableConcept
                        Slice NamevalueCodeableConcept
                        Definition

                        The information determined as a result of making the observation, if the information has a simple value.

                        ShortActual component result
                        Comments

                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                        Control0..1
                        BindingThe codes SHOULD be taken from For codes, see RSPulseQualityVS
                        (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-PulseQuality)
                        TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                        Is Modifierfalse
                        Summarytrue
                        Requirements

                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                        130. Observation.component:Pupils
                        Slice NamePupils
                        Definition

                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                        ShortComponent results
                        Comments

                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                        Control0..1*
                        TypeBackboneElement
                        Is Modifierfalse
                        Summarytrue
                        Requirements

                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                        132. Observation.component:Pupils.modifierExtension
                        Definition

                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                        ShortExtensions that cannot be ignored even if unrecognized
                        Comments

                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                        Control0..*
                        TypeExtension
                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                        Summarytrue
                        Requirements

                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                        Alternate Namesextensions, user content, modifiers
                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                        134. Observation.component:Pupils.code
                        Definition

                        Describes what was observed. Sometimes this is called the observation "code".

                        ShortType of component observation (code / type)
                        Comments

                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                        Control1..1
                        BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                        Codes identifying names of simple observations.

                        TypeCodeableConcept
                        Is Modifierfalse
                        Summarytrue
                        Requirements

                        Knowing what kind of observation is being made is essential to understanding the observation.

                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                        136. Observation.component:Pupils.value[x]
                        Definition

                        The information determined as a result of making the observation, if the information has a simple value.

                        ShortActual component result
                        Comments

                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                        Control0..1
                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                        Is Modifierfalse
                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                        Summarytrue
                        Requirements

                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                        • type @ $this
                        • 138. Observation.component:Pupils.value[x]:valueCodeableConcept
                          Slice NamevalueCodeableConcept
                          Definition

                          The information determined as a result of making the observation, if the information has a simple value.

                          ShortActual component result
                          Comments

                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                          Control0..1
                          BindingThe codes SHOULD be taken from For codes, see RSPupilsVS
                          (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-Pupils)
                          TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                          Is Modifierfalse
                          Summarytrue
                          Requirements

                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                          140. Observation.component:Cyanosis
                          Slice NameCyanosis
                          Definition

                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                          ShortComponent results
                          Comments

                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                          Control0..1*
                          TypeBackboneElement
                          Is Modifierfalse
                          Summarytrue
                          Requirements

                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                          142. Observation.component:Cyanosis.modifierExtension
                          Definition

                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                          ShortExtensions that cannot be ignored even if unrecognized
                          Comments

                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                          Control0..*
                          TypeExtension
                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                          Summarytrue
                          Requirements

                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                          Alternate Namesextensions, user content, modifiers
                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                          144. Observation.component:Cyanosis.code
                          Definition

                          Describes what was observed. Sometimes this is called the observation "code".

                          ShortType of component observation (code / type)
                          Comments

                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                          Control1..1
                          BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                          Codes identifying names of simple observations.

                          TypeCodeableConcept
                          Is Modifierfalse
                          Summarytrue
                          Requirements

                          Knowing what kind of observation is being made is essential to understanding the observation.

                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                          146. Observation.component:Cyanosis.value[x]
                          Definition

                          The information determined as a result of making the observation, if the information has a simple value.

                          ShortActual component result
                          Comments

                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                          Control0..1
                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                          Is Modifierfalse
                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                          Summarytrue
                          Requirements

                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                          • type @ $this
                          • 148. Observation.component:Cyanosis.value[x]:valueCodeableConcept
                            Slice NamevalueCodeableConcept
                            Definition

                            The information determined as a result of making the observation, if the information has a simple value.

                            ShortActual component result
                            Comments

                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                            Control0..1
                            BindingThe codes SHOULD be taken from For codes, see RSCyanosisVS
                            (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-Cyanosis)
                            TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                            Is Modifierfalse
                            Summarytrue
                            Requirements

                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                            150. Observation.component:GCS_Eyes
                            Slice NameGCS_Eyes
                            Definition

                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                            ShortComponent results
                            Comments

                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                            Control0..1*
                            TypeBackboneElement
                            Is Modifierfalse
                            Summarytrue
                            Requirements

                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                            152. Observation.component:GCS_Eyes.modifierExtension
                            Definition

                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                            ShortExtensions that cannot be ignored even if unrecognized
                            Comments

                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                            Control0..*
                            TypeExtension
                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                            Summarytrue
                            Requirements

                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                            Alternate Namesextensions, user content, modifiers
                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                            154. Observation.component:GCS_Eyes.code
                            Definition

                            Describes what was observed. Sometimes this is called the observation "code".

                            ShortType of component observation (code / type)
                            Comments

                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                            Control1..1
                            BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                            Codes identifying names of simple observations.

                            TypeCodeableConcept
                            Is Modifierfalse
                            Summarytrue
                            Requirements

                            Knowing what kind of observation is being made is essential to understanding the observation.

                            Pattern Value{
                              "coding" : [{
                                "system" : "http://snomed.info/sct",
                                "code" : "276867008",
                                "display" : "Glasgow coma scale — eyes"
                              }]
                            }
                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                            156. Observation.component:GCS_Eyes.value[x]
                            Definition

                            The information determined as a result of making the observation, if the information has a simple value.

                            ShortActual component result
                            Comments

                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                            Control0..1
                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                            Is Modifierfalse
                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                            Summarytrue
                            Requirements

                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                            • type @ $this
                            • 158. Observation.component:GCS_Eyes.value[x]:valueCodeableConcept
                              Slice NamevalueCodeableConcept
                              Definition

                              The information determined as a result of making the observation, if the information has a simple value.

                              ShortActual component result
                              Comments

                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                              Control0..1
                              BindingThe codes SHALL be taken from For codes, see RSGCSEyesVS
                              (required to http://hl7.org/fhir/ValueSet/PH-RoadSafety-GCSEyes)
                              TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                              Is Modifierfalse
                              Summarytrue
                              Requirements

                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                              160. Observation.component:GCS_Verbal
                              Slice NameGCS_Verbal
                              Definition

                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                              ShortComponent results
                              Comments

                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                              Control0..1*
                              TypeBackboneElement
                              Is Modifierfalse
                              Summarytrue
                              Requirements

                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                              162. Observation.component:GCS_Verbal.modifierExtension
                              Definition

                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                              ShortExtensions that cannot be ignored even if unrecognized
                              Comments

                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                              Control0..*
                              TypeExtension
                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                              Summarytrue
                              Requirements

                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                              Alternate Namesextensions, user content, modifiers
                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                              164. Observation.component:GCS_Verbal.code
                              Definition

                              Describes what was observed. Sometimes this is called the observation "code".

                              ShortType of component observation (code / type)
                              Comments

                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                              Control1..1
                              BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                              Codes identifying names of simple observations.

                              TypeCodeableConcept
                              Is Modifierfalse
                              Summarytrue
                              Requirements

                              Knowing what kind of observation is being made is essential to understanding the observation.

                              Pattern Value{
                                "coding" : [{
                                  "system" : "http://snomed.info/sct",
                                  "code" : "276868003",
                                  "display" : "Glasgow coma scale — verbal"
                                }]
                              }
                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                              166. Observation.component:GCS_Verbal.value[x]
                              Definition

                              The information determined as a result of making the observation, if the information has a simple value.

                              ShortActual component result
                              Comments

                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                              Control0..1
                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                              Is Modifierfalse
                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                              Summarytrue
                              Requirements

                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                              • type @ $this
                              • 168. Observation.component:GCS_Verbal.value[x]:valueCodeableConcept
                                Slice NamevalueCodeableConcept
                                Definition

                                The information determined as a result of making the observation, if the information has a simple value.

                                ShortActual component result
                                Comments

                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                Control0..1
                                BindingThe codes SHALL be taken from For codes, see RSGCSVerbalVS
                                (required to http://hl7.org/fhir/ValueSet/PH-RoadSafety-GCSVerbal)
                                TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                Is Modifierfalse
                                Summarytrue
                                Requirements

                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                170. Observation.component:GCS_Motor
                                Slice NameGCS_Motor
                                Definition

                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                ShortComponent results
                                Comments

                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                Control0..1*
                                TypeBackboneElement
                                Is Modifierfalse
                                Summarytrue
                                Requirements

                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                172. Observation.component:GCS_Motor.modifierExtension
                                Definition

                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                ShortExtensions that cannot be ignored even if unrecognized
                                Comments

                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                Control0..*
                                TypeExtension
                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                Summarytrue
                                Requirements

                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                Alternate Namesextensions, user content, modifiers
                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                174. Observation.component:GCS_Motor.code
                                Definition

                                Describes what was observed. Sometimes this is called the observation "code".

                                ShortType of component observation (code / type)
                                Comments

                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                Control1..1
                                BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                Codes identifying names of simple observations.

                                TypeCodeableConcept
                                Is Modifierfalse
                                Summarytrue
                                Requirements

                                Knowing what kind of observation is being made is essential to understanding the observation.

                                Pattern Value{
                                  "coding" : [{
                                    "system" : "http://snomed.info/sct",
                                    "code" : "276869006",
                                    "display" : "Glasgow coma scale — motor"
                                  }]
                                }
                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                176. Observation.component:GCS_Motor.value[x]
                                Definition

                                The information determined as a result of making the observation, if the information has a simple value.

                                ShortActual component result
                                Comments

                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                Control0..1
                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                Is Modifierfalse
                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                Summarytrue
                                Requirements

                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                • type @ $this
                                • 178. Observation.component:GCS_Motor.value[x]:valueCodeableConcept
                                  Slice NamevalueCodeableConcept
                                  Definition

                                  The information determined as a result of making the observation, if the information has a simple value.

                                  ShortActual component result
                                  Comments

                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                  Control0..1
                                  BindingThe codes SHALL be taken from For codes, see RSGCSMotorVS
                                  (required to http://hl7.org/fhir/ValueSet/PH-RoadSafety-GCSMotor)
                                  TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                  Is Modifierfalse
                                  Summarytrue
                                  Requirements

                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                  180. Observation.component:GCS_Total
                                  Slice NameGCS_Total
                                  Definition

                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                  ShortComponent results
                                  Comments

                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                  Control0..1*
                                  TypeBackboneElement
                                  Is Modifierfalse
                                  Summarytrue
                                  Requirements

                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                  182. Observation.component:GCS_Total.modifierExtension
                                  Definition

                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                  ShortExtensions that cannot be ignored even if unrecognized
                                  Comments

                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                  Control0..*
                                  TypeExtension
                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                  Summarytrue
                                  Requirements

                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                  Alternate Namesextensions, user content, modifiers
                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                  184. Observation.component:GCS_Total.code
                                  Definition

                                  Describes what was observed. Sometimes this is called the observation "code".

                                  ShortType of component observation (code / type)
                                  Comments

                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                  Control1..1
                                  BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                  Codes identifying names of simple observations.

                                  TypeCodeableConcept
                                  Is Modifierfalse
                                  Summarytrue
                                  Requirements

                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                  Pattern Value{
                                    "coding" : [{
                                      "system" : "http://loinc.org",
                                      "code" : "9269-2",
                                      "display" : "Glasgow coma score total"
                                    }]
                                  }
                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                  186. Observation.component:GCS_Total.value[x]
                                  Definition

                                  The information determined as a result of making the observation, if the information has a simple value.

                                  ShortActual component result
                                  Comments

                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                  Control0..1
                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                  Is Modifierfalse
                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                  Summarytrue
                                  Requirements

                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                  • type @ $this
                                  • 188. Observation.component:GCS_Total.value[x]:valueInteger
                                    Slice NamevalueInteger
                                    Definition

                                    The information determined as a result of making the observation, if the information has a simple value.

                                    ShortActual component result
                                    Comments

                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                    Control0..1
                                    Typeinteger, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, time, Range, CodeableConcept
                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                    Is Modifierfalse
                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                    Summarytrue
                                    Requirements

                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                    190. Observation.component:AVPU
                                    Slice NameAVPU
                                    Definition

                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                    ShortComponent results
                                    Comments

                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                    Control0..1*
                                    TypeBackboneElement
                                    Is Modifierfalse
                                    Summarytrue
                                    Requirements

                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                    192. Observation.component:AVPU.modifierExtension
                                    Definition

                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                    ShortExtensions that cannot be ignored even if unrecognized
                                    Comments

                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                    Control0..*
                                    TypeExtension
                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                    Summarytrue
                                    Requirements

                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                    Alternate Namesextensions, user content, modifiers
                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                    194. Observation.component:AVPU.code
                                    Definition

                                    Describes what was observed. Sometimes this is called the observation "code".

                                    ShortType of component observation (code / type)
                                    Comments

                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                    Control1..1
                                    BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                    Codes identifying names of simple observations.

                                    TypeCodeableConcept
                                    Is Modifierfalse
                                    Summarytrue
                                    Requirements

                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                    Pattern Value{
                                      "coding" : [{
                                        "system" : "http://loinc.org",
                                        "code" : "67775-7",
                                        "display" : "Level of responsiveness"
                                      }]
                                    }
                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                    196. Observation.component:AVPU.value[x]
                                    Definition

                                    The information determined as a result of making the observation, if the information has a simple value.

                                    ShortActual component result
                                    Comments

                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                    Control0..1
                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                    Is Modifierfalse
                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                    Summarytrue
                                    Requirements

                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                    • type @ $this
                                    • 198. Observation.component:AVPU.value[x]:valueCodeableConcept
                                      Slice NamevalueCodeableConcept
                                      Definition

                                      The information determined as a result of making the observation, if the information has a simple value.

                                      ShortActual component result
                                      Comments

                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                      Control0..1
                                      BindingThe codes SHOULD be taken from For codes, see RSAVPUVS
                                      (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-AVPU)
                                      TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                      Is Modifierfalse
                                      Summarytrue
                                      Requirements

                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                      200. Observation.component:ExternalCause
                                      Slice NameExternalCause
                                      Definition

                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                      ShortComponent results
                                      Comments

                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                      Control0..*
                                      TypeBackboneElement
                                      Is Modifierfalse
                                      Summarytrue
                                      Requirements

                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                      202. Observation.component:ExternalCause.modifierExtension
                                      Definition

                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                      ShortExtensions that cannot be ignored even if unrecognized
                                      Comments

                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                      Control0..*
                                      TypeExtension
                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                      Summarytrue
                                      Requirements

                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                      Alternate Namesextensions, user content, modifiers
                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                      204. Observation.component:ExternalCause.code
                                      Definition

                                      Describes what was observed. Sometimes this is called the observation "code".

                                      ShortType of component observation (code / type)
                                      Comments

                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                      Control1..1
                                      BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                      Codes identifying names of simple observations.

                                      TypeCodeableConcept
                                      Is Modifierfalse
                                      Summarytrue
                                      Requirements

                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                      206. Observation.component:ExternalCause.value[x]
                                      Definition

                                      The information determined as a result of making the observation, if the information has a simple value.

                                      ShortActual component result
                                      Comments

                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                      Control0..1
                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                      Is Modifierfalse
                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                      Summarytrue
                                      Requirements

                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                      • type @ $this
                                      • 208. Observation.component:ExternalCause.value[x]:valueCodeableConcept
                                        Slice NamevalueCodeableConcept
                                        Definition

                                        The information determined as a result of making the observation, if the information has a simple value.

                                        ShortActual component result
                                        Comments

                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                        Control0..1
                                        BindingThe codes SHOULD be taken from For codes, see External Cause ValueSet (example)
                                        (preferred to https://build.fhir.org/ig/UPM-NTHC/PH-RoadSafetyIG/ValueSet/external-cause-vs)
                                        TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                        Is Modifierfalse
                                        Summarytrue
                                        Requirements

                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                        210. Observation.component:InjuryIntent
                                        Slice NameInjuryIntent
                                        Definition

                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                        ShortComponent results
                                        Comments

                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                        Control0..1*
                                        TypeBackboneElement
                                        Is Modifierfalse
                                        Summarytrue
                                        Requirements

                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                        212. Observation.component:InjuryIntent.modifierExtension
                                        Definition

                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                        ShortExtensions that cannot be ignored even if unrecognized
                                        Comments

                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                        Control0..*
                                        TypeExtension
                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                        Summarytrue
                                        Requirements

                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                        Alternate Namesextensions, user content, modifiers
                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                        214. Observation.component:InjuryIntent.code
                                        Definition

                                        Describes what was observed. Sometimes this is called the observation "code".

                                        ShortType of component observation (code / type)
                                        Comments

                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                        Control1..1
                                        BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                        Codes identifying names of simple observations.

                                        TypeCodeableConcept
                                        Is Modifierfalse
                                        Summarytrue
                                        Requirements

                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                        216. Observation.component:InjuryIntent.value[x]
                                        Definition

                                        The information determined as a result of making the observation, if the information has a simple value.

                                        ShortActual component result
                                        Comments

                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                        Control0..1
                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                        Is Modifierfalse
                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                        Summarytrue
                                        Requirements

                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                        • type @ $this
                                        • 218. Observation.component:InjuryIntent.value[x]:valueCodeableConcept
                                          Slice NamevalueCodeableConcept
                                          Definition

                                          The information determined as a result of making the observation, if the information has a simple value.

                                          ShortActual component result
                                          Comments

                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                          Control0..1
                                          BindingThe codes SHOULD be taken from For codes, see RSInjuryIntentVS
                                          (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-InjuryIntent)
                                          TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                          Is Modifierfalse
                                          Summarytrue
                                          Requirements

                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                          220. Observation.component:DrowningWaterBody
                                          Slice NameDrowningWaterBody
                                          Definition

                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                          ShortComponent results
                                          Comments

                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                          Control0..1*
                                          TypeBackboneElement
                                          Is Modifierfalse
                                          Summarytrue
                                          Requirements

                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                          222. Observation.component:DrowningWaterBody.modifierExtension
                                          Definition

                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                          ShortExtensions that cannot be ignored even if unrecognized
                                          Comments

                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                          Control0..*
                                          TypeExtension
                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                          Summarytrue
                                          Requirements

                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                          Alternate Namesextensions, user content, modifiers
                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                          224. Observation.component:DrowningWaterBody.code
                                          Definition

                                          Describes what was observed. Sometimes this is called the observation "code".

                                          ShortType of component observation (code / type)
                                          Comments

                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                          Control1..1
                                          BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                          Codes identifying names of simple observations.

                                          TypeCodeableConcept
                                          Is Modifierfalse
                                          Summarytrue
                                          Requirements

                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                          226. Observation.component:DrowningWaterBody.value[x]
                                          Definition

                                          The information determined as a result of making the observation, if the information has a simple value.

                                          ShortActual component result
                                          Comments

                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                          Control0..1
                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                          Is Modifierfalse
                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                          Summarytrue
                                          Requirements

                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                          • type @ $this
                                          • 228. Observation.component:DrowningWaterBody.value[x]:valueCodeableConcept
                                            Slice NamevalueCodeableConcept
                                            Definition

                                            The information determined as a result of making the observation, if the information has a simple value.

                                            ShortActual component result
                                            Comments

                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                            Control0..1
                                            BindingThe codes SHOULD be taken from For codes, see RSDrowningWaterBodyVS
                                            (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-DrowningWaterBody)
                                            TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                            Is Modifierfalse
                                            Summarytrue
                                            Requirements

                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                            230. Observation.component:ModeOfTransport
                                            Slice NameModeOfTransport
                                            Definition

                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                            ShortComponent results
                                            Comments

                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                            Control0..1*
                                            TypeBackboneElement
                                            Is Modifierfalse
                                            Summarytrue
                                            Requirements

                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                            232. Observation.component:ModeOfTransport.modifierExtension
                                            Definition

                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                            ShortExtensions that cannot be ignored even if unrecognized
                                            Comments

                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                            Control0..*
                                            TypeExtension
                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                            Summarytrue
                                            Requirements

                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                            Alternate Namesextensions, user content, modifiers
                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                            234. Observation.component:ModeOfTransport.code
                                            Definition

                                            Describes what was observed. Sometimes this is called the observation "code".

                                            ShortType of component observation (code / type)
                                            Comments

                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                            Control1..1
                                            BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                            Codes identifying names of simple observations.

                                            TypeCodeableConcept
                                            Is Modifierfalse
                                            Summarytrue
                                            Requirements

                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                            Pattern Value{
                                              "coding" : [{
                                                "system" : "http://loinc.org",
                                                "code" : "74286-6",
                                                "display" : "Mode of transport to the Hospital/Facility"
                                              }]
                                            }
                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                            236. Observation.component:ModeOfTransport.value[x]
                                            Definition

                                            The information determined as a result of making the observation, if the information has a simple value.

                                            ShortActual component result
                                            Comments

                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                            Control0..1
                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                            Is Modifierfalse
                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                            Summarytrue
                                            Requirements

                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                            • type @ $this
                                            • 238. Observation.component:ModeOfTransport.value[x]:valueCodeableConcept
                                              Slice NamevalueCodeableConcept
                                              Definition

                                              The information determined as a result of making the observation, if the information has a simple value.

                                              ShortActual component result
                                              Comments

                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                              Control0..1
                                              BindingThe codes SHOULD be taken from For codes, see ModeOfTransportVS
                                              (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-ModeOfTransport)
                                              TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                              Is Modifierfalse
                                              Summarytrue
                                              Requirements

                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                              240. Observation.component:Outcome
                                              Slice NameOutcome
                                              Definition

                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                              ShortComponent results
                                              Comments

                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                              Control0..1*
                                              TypeBackboneElement
                                              Is Modifierfalse
                                              Summarytrue
                                              Requirements

                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                              242. Observation.component:Outcome.modifierExtension
                                              Definition

                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                              ShortExtensions that cannot be ignored even if unrecognized
                                              Comments

                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                              Control0..*
                                              TypeExtension
                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                              Summarytrue
                                              Requirements

                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                              Alternate Namesextensions, user content, modifiers
                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                              244. Observation.component:Outcome.code
                                              Definition

                                              Describes what was observed. Sometimes this is called the observation "code".

                                              ShortType of component observation (code / type)
                                              Comments

                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                              Control1..1
                                              BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                              Codes identifying names of simple observations.

                                              TypeCodeableConcept
                                              Is Modifierfalse
                                              Summarytrue
                                              Requirements

                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                              246. Observation.component:Outcome.value[x]
                                              Definition

                                              The information determined as a result of making the observation, if the information has a simple value.

                                              ShortActual component result
                                              Comments

                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                              Control0..1
                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                              Is Modifierfalse
                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                              Summarytrue
                                              Requirements

                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                              • type @ $this
                                              • 248. Observation.component:Outcome.value[x]:valueCodeableConcept
                                                Slice NamevalueCodeableConcept
                                                Definition

                                                The information determined as a result of making the observation, if the information has a simple value.

                                                ShortActual component result
                                                Comments

                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                Control0..1
                                                BindingThe codes SHOULD be taken from For codes, see OutcomeVS
                                                (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-Outcome)
                                                TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                Is Modifierfalse
                                                Summarytrue
                                                Requirements

                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                250. Observation.component:ConditionOfPatient
                                                Slice NameConditionOfPatient
                                                Definition

                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                ShortComponent results
                                                Comments

                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                Control0..1*
                                                TypeBackboneElement
                                                Is Modifierfalse
                                                Summarytrue
                                                Requirements

                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                252. Observation.component:ConditionOfPatient.modifierExtension
                                                Definition

                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                ShortExtensions that cannot be ignored even if unrecognized
                                                Comments

                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                Control0..*
                                                TypeExtension
                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                Summarytrue
                                                Requirements

                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                Alternate Namesextensions, user content, modifiers
                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                254. Observation.component:ConditionOfPatient.code
                                                Definition

                                                Describes what was observed. Sometimes this is called the observation "code".

                                                ShortType of component observation (code / type)
                                                Comments

                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                Control1..1
                                                BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                Codes identifying names of simple observations.

                                                TypeCodeableConcept
                                                Is Modifierfalse
                                                Summarytrue
                                                Requirements

                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                256. Observation.component:ConditionOfPatient.value[x]
                                                Definition

                                                The information determined as a result of making the observation, if the information has a simple value.

                                                ShortActual component result
                                                Comments

                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                Control0..1
                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                Is Modifierfalse
                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                Summarytrue
                                                Requirements

                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                • type @ $this
                                                • 258. Observation.component:ConditionOfPatient.value[x]:valueCodeableConcept
                                                  Slice NamevalueCodeableConcept
                                                  Definition

                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                  ShortActual component result
                                                  Comments

                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                  Control0..1
                                                  BindingThe codes SHOULD be taken from For codes, see RSConditionOfPatientVS
                                                  (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-ConditionOfPatient)
                                                  TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                  Is Modifierfalse
                                                  Summarytrue
                                                  Requirements

                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                  260. Observation.component:StatusOnArrival
                                                  Slice NameStatusOnArrival
                                                  Definition

                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                  ShortComponent results
                                                  Comments

                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                  Control0..1*
                                                  TypeBackboneElement
                                                  Is Modifierfalse
                                                  Summarytrue
                                                  Requirements

                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                  262. Observation.component:StatusOnArrival.modifierExtension
                                                  Definition

                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                  Comments

                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                  Control0..*
                                                  TypeExtension
                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                  Summarytrue
                                                  Requirements

                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                  Alternate Namesextensions, user content, modifiers
                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                  264. Observation.component:StatusOnArrival.code
                                                  Definition

                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                  ShortType of component observation (code / type)
                                                  Comments

                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                  Control1..1
                                                  BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                  Codes identifying names of simple observations.

                                                  TypeCodeableConcept
                                                  Is Modifierfalse
                                                  Summarytrue
                                                  Requirements

                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                  266. Observation.component:StatusOnArrival.value[x]
                                                  Definition

                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                  ShortActual component result
                                                  Comments

                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                  Control0..1
                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                  Is Modifierfalse
                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                  Summarytrue
                                                  Requirements

                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                  • type @ $this
                                                  • 268. Observation.component:StatusOnArrival.value[x]:valueCodeableConcept
                                                    Slice NamevalueCodeableConcept
                                                    Definition

                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                    ShortActual component result
                                                    Comments

                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                    Control0..1
                                                    BindingThe codes SHOULD be taken from For codes, see RSStatusOnArrivalVS
                                                    (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-StatusOnArrival)
                                                    TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                    Is Modifierfalse
                                                    Summarytrue
                                                    Requirements

                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                    270. Observation.component:TriagePriority
                                                    Slice NameTriagePriority
                                                    Definition

                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                    ShortComponent results
                                                    Comments

                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                    Control0..1*
                                                    TypeBackboneElement
                                                    Is Modifierfalse
                                                    Summarytrue
                                                    Requirements

                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                    272. Observation.component:TriagePriority.modifierExtension
                                                    Definition

                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                    Comments

                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                    Control0..*
                                                    TypeExtension
                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                    Summarytrue
                                                    Requirements

                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                    Alternate Namesextensions, user content, modifiers
                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                    274. Observation.component:TriagePriority.code
                                                    Definition

                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                    ShortType of component observation (code / type)
                                                    Comments

                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                    Control1..1
                                                    BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                    Codes identifying names of simple observations.

                                                    TypeCodeableConcept
                                                    Is Modifierfalse
                                                    Summarytrue
                                                    Requirements

                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                    276. Observation.component:TriagePriority.value[x]
                                                    Definition

                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                    ShortActual component result
                                                    Comments

                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                    Control0..1
                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                    Is Modifierfalse
                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                    Summarytrue
                                                    Requirements

                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                    • type @ $this
                                                    • 278. Observation.component:TriagePriority.value[x]:valueCodeableConcept
                                                      Slice NamevalueCodeableConcept
                                                      Definition

                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                      ShortActual component result
                                                      Comments

                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                      Control0..1
                                                      BindingThe codes SHOULD be taken from For codes, see RSTriageCategoryVS
                                                      (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-TriageCategory)
                                                      TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                      Is Modifierfalse
                                                      Summarytrue
                                                      Requirements

                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                      280. Observation.component:CollisionType
                                                      Slice NameCollisionType
                                                      Definition

                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                      ShortComponent results
                                                      Comments

                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                      Control0..1*
                                                      TypeBackboneElement
                                                      Is Modifierfalse
                                                      Summarytrue
                                                      Requirements

                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                      282. Observation.component:CollisionType.modifierExtension
                                                      Definition

                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                      Comments

                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                      Control0..*
                                                      TypeExtension
                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                      Summarytrue
                                                      Requirements

                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                      Alternate Namesextensions, user content, modifiers
                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                      284. Observation.component:CollisionType.code
                                                      Definition

                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                      ShortType of component observation (code / type)
                                                      Comments

                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                      Control1..1
                                                      BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                      Codes identifying names of simple observations.

                                                      TypeCodeableConcept
                                                      Is Modifierfalse
                                                      Summarytrue
                                                      Requirements

                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                      286. Observation.component:CollisionType.value[x]
                                                      Definition

                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                      ShortActual component result
                                                      Comments

                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                      Control0..1
                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                      Is Modifierfalse
                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                      Summarytrue
                                                      Requirements

                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                      • type @ $this
                                                      • 288. Observation.component:CollisionType.value[x]:valueCodeableConcept
                                                        Slice NamevalueCodeableConcept
                                                        Definition

                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                        ShortActual component result
                                                        Comments

                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                        Control0..1
                                                        BindingThe codes SHOULD be taken from For codes, see CollisionTypeVS
                                                        (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-CollisionType)
                                                        TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                        Is Modifierfalse
                                                        Summarytrue
                                                        Requirements

                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                        290. Observation.component:PlaceOfOccurrence
                                                        Slice NamePlaceOfOccurrence
                                                        Definition

                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                        ShortComponent results
                                                        Comments

                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                        Control0..1*
                                                        TypeBackboneElement
                                                        Is Modifierfalse
                                                        Summarytrue
                                                        Requirements

                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                        292. Observation.component:PlaceOfOccurrence.modifierExtension
                                                        Definition

                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                        Comments

                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                        Control0..*
                                                        TypeExtension
                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                        Summarytrue
                                                        Requirements

                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                        Alternate Namesextensions, user content, modifiers
                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                        294. Observation.component:PlaceOfOccurrence.code
                                                        Definition

                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                        ShortType of component observation (code / type)
                                                        Comments

                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                        Control1..1
                                                        BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                        Codes identifying names of simple observations.

                                                        TypeCodeableConcept
                                                        Is Modifierfalse
                                                        Summarytrue
                                                        Requirements

                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                        296. Observation.component:PlaceOfOccurrence.value[x]
                                                        Definition

                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                        ShortActual component result
                                                        Comments

                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                        Control0..1
                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                        Is Modifierfalse
                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                        Summarytrue
                                                        Requirements

                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                        • type @ $this
                                                        • 298. Observation.component:PlaceOfOccurrence.value[x]:valueCodeableConcept
                                                          Slice NamevalueCodeableConcept
                                                          Definition

                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                          ShortActual component result
                                                          Comments

                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                          Control0..1
                                                          BindingThe codes SHOULD be taken from For codes, see Place of Occurrence ValueSet (example)
                                                          (preferred to https://build.fhir.org/ig/UPM-NTHC/PH-RoadSafetyIG/ValueSet/place-occ-vs)
                                                          TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                          Is Modifierfalse
                                                          Summarytrue
                                                          Requirements

                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                          300. Observation.component:ActivityAtIncident
                                                          Slice NameActivityAtIncident
                                                          Definition

                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                          ShortComponent results
                                                          Comments

                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                          Control0..1*
                                                          TypeBackboneElement
                                                          Is Modifierfalse
                                                          Summarytrue
                                                          Requirements

                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                          302. Observation.component:ActivityAtIncident.modifierExtension
                                                          Definition

                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                          Comments

                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                          Control0..*
                                                          TypeExtension
                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                          Summarytrue
                                                          Requirements

                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                          Alternate Namesextensions, user content, modifiers
                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                          304. Observation.component:ActivityAtIncident.code
                                                          Definition

                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                          ShortType of component observation (code / type)
                                                          Comments

                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                          Control1..1
                                                          BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                          Codes identifying names of simple observations.

                                                          TypeCodeableConcept
                                                          Is Modifierfalse
                                                          Summarytrue
                                                          Requirements

                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                          306. Observation.component:ActivityAtIncident.value[x]
                                                          Definition

                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                          ShortActual component result
                                                          Comments

                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                          Control0..1
                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                          Is Modifierfalse
                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                          Summarytrue
                                                          Requirements

                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                          • type @ $this
                                                          • 308. Observation.component:ActivityAtIncident.value[x]:valueCodeableConcept
                                                            Slice NamevalueCodeableConcept
                                                            Definition

                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                            ShortActual component result
                                                            Comments

                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                            Control0..1
                                                            BindingThe codes SHOULD be taken from For codes, see Activity ValueSet (example)
                                                            (preferred to https://build.fhir.org/ig/UPM-NTHC/PH-RoadSafetyIG/ValueSet/activity-vs)
                                                            TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                            Is Modifierfalse
                                                            Summarytrue
                                                            Requirements

                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                            310. Observation.component:TransportVehicularAccidentFlag
                                                            Slice NameTransportVehicularAccidentFlag
                                                            Definition

                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                            ShortComponent results
                                                            Comments

                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                            Control0..1*
                                                            TypeBackboneElement
                                                            Is Modifierfalse
                                                            Summarytrue
                                                            Requirements

                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                            312. Observation.component:TransportVehicularAccidentFlag.modifierExtension
                                                            Definition

                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                            Comments

                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                            Control0..*
                                                            TypeExtension
                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                            Summarytrue
                                                            Requirements

                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                            Alternate Namesextensions, user content, modifiers
                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                            314. Observation.component:TransportVehicularAccidentFlag.code
                                                            Definition

                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                            ShortType of component observation (code / type)
                                                            Comments

                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                            Control1..1
                                                            BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                            Codes identifying names of simple observations.

                                                            TypeCodeableConcept
                                                            Is Modifierfalse
                                                            Summarytrue
                                                            Requirements

                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                            316. Observation.component:TransportVehicularAccidentFlag.value[x]
                                                            Definition

                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                            ShortActual component result
                                                            Comments

                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                            Control0..1
                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                            Is Modifierfalse
                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                            Summarytrue
                                                            Requirements

                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                            • type @ $this
                                                            • 318. Observation.component:TransportVehicularAccidentFlag.value[x]:valueBoolean
                                                              Slice NamevalueBoolean
                                                              Definition

                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                              ShortActual component result
                                                              Comments

                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                              Control0..1
                                                              Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                              Is Modifierfalse
                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                              Summarytrue
                                                              Requirements

                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                              320. Observation.component:InjuryDateTime
                                                              Slice NameInjuryDateTime
                                                              Definition

                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                              ShortComponent results
                                                              Comments

                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                              Control0..1*
                                                              TypeBackboneElement
                                                              Is Modifierfalse
                                                              Summarytrue
                                                              Requirements

                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                              322. Observation.component:InjuryDateTime.modifierExtension
                                                              Definition

                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                              Comments

                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                              Control0..*
                                                              TypeExtension
                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                              Summarytrue
                                                              Requirements

                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                              Alternate Namesextensions, user content, modifiers
                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                              324. Observation.component:InjuryDateTime.code
                                                              Definition

                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                              ShortType of component observation (code / type)
                                                              Comments

                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                              Control1..1
                                                              BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                              Codes identifying names of simple observations.

                                                              TypeCodeableConcept
                                                              Is Modifierfalse
                                                              Summarytrue
                                                              Requirements

                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                              326. Observation.component:InjuryDateTime.value[x]
                                                              Definition

                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                              ShortActual component result
                                                              Comments

                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                              Control0..1
                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                              Is Modifierfalse
                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                              Summarytrue
                                                              Requirements

                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                              • type @ $this
                                                              • 328. Observation.component:InjuryDateTime.value[x]:valueDateTime
                                                                Slice NamevalueDateTime
                                                                Definition

                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                ShortActual component result
                                                                Comments

                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                Control0..1
                                                                TypedateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                Is Modifierfalse
                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                Summarytrue
                                                                Requirements

                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                330. Observation.component:PresenceOfTrafficInvestigator
                                                                Slice NamePresenceOfTrafficInvestigator
                                                                Definition

                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                ShortComponent results
                                                                Comments

                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                Control0..1*
                                                                TypeBackboneElement
                                                                Is Modifierfalse
                                                                Summarytrue
                                                                Requirements

                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                332. Observation.component:PresenceOfTrafficInvestigator.modifierExtension
                                                                Definition

                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                Comments

                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                Control0..*
                                                                TypeExtension
                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                Summarytrue
                                                                Requirements

                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                Alternate Namesextensions, user content, modifiers
                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                334. Observation.component:PresenceOfTrafficInvestigator.code
                                                                Definition

                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                ShortType of component observation (code / type)
                                                                Comments

                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                Control1..1
                                                                BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                Codes identifying names of simple observations.

                                                                TypeCodeableConcept
                                                                Is Modifierfalse
                                                                Summarytrue
                                                                Requirements

                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                336. Observation.component:PresenceOfTrafficInvestigator.value[x]
                                                                Definition

                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                ShortActual component result
                                                                Comments

                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                Control0..1
                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                Is Modifierfalse
                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                Summarytrue
                                                                Requirements

                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                • type @ $this
                                                                • 338. Observation.component:PresenceOfTrafficInvestigator.value[x]:valueBoolean
                                                                  Slice NamevalueBoolean
                                                                  Definition

                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                  ShortActual component result
                                                                  Comments

                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                  Control0..1
                                                                  Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                  Is Modifierfalse
                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                  Summarytrue
                                                                  Requirements

                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                  340. Observation.component:UrgencyLevel
                                                                  Slice NameUrgencyLevel
                                                                  Definition

                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                  ShortComponent results
                                                                  Comments

                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                  Control0..1*
                                                                  TypeBackboneElement
                                                                  Is Modifierfalse
                                                                  Summarytrue
                                                                  Requirements

                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                  342. Observation.component:UrgencyLevel.modifierExtension
                                                                  Definition

                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                  Comments

                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                  Control0..*
                                                                  TypeExtension
                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                  Summarytrue
                                                                  Requirements

                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                  Alternate Namesextensions, user content, modifiers
                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                  344. Observation.component:UrgencyLevel.code
                                                                  Definition

                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                  ShortType of component observation (code / type)
                                                                  Comments

                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                  Control1..1
                                                                  BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                  Codes identifying names of simple observations.

                                                                  TypeCodeableConcept
                                                                  Is Modifierfalse
                                                                  Summarytrue
                                                                  Requirements

                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                  346. Observation.component:UrgencyLevel.value[x]
                                                                  Definition

                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                  ShortActual component result
                                                                  Comments

                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                  Control0..1
                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                  Is Modifierfalse
                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                  Summarytrue
                                                                  Requirements

                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                  • type @ $this
                                                                  • 348. Observation.component:UrgencyLevel.value[x]:valueCodeableConcept
                                                                    Slice NamevalueCodeableConcept
                                                                    Definition

                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                    ShortActual component result
                                                                    Comments

                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                    Control0..1
                                                                    BindingThe codes SHOULD be taken from For codes, see RSUrgencyLevelVS
                                                                    (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-UrgencyLevel)
                                                                    TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                    Is Modifierfalse
                                                                    Summarytrue
                                                                    Requirements

                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                    350. Observation.component:CallSource
                                                                    Slice NameCallSource
                                                                    Definition

                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                    ShortComponent results
                                                                    Comments

                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                    Control0..1*
                                                                    TypeBackboneElement
                                                                    Is Modifierfalse
                                                                    Summarytrue
                                                                    Requirements

                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                    352. Observation.component:CallSource.modifierExtension
                                                                    Definition

                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                    Comments

                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                    Control0..*
                                                                    TypeExtension
                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                    Summarytrue
                                                                    Requirements

                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                    Alternate Namesextensions, user content, modifiers
                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                    354. Observation.component:CallSource.code
                                                                    Definition

                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                    ShortType of component observation (code / type)
                                                                    Comments

                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                    Control1..1
                                                                    BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                    Codes identifying names of simple observations.

                                                                    TypeCodeableConcept
                                                                    Is Modifierfalse
                                                                    Summarytrue
                                                                    Requirements

                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                    356. Observation.component:CallSource.code.text
                                                                    Definition

                                                                    A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                    ShortPlain text representation of the concept
                                                                    Comments

                                                                    Very often the text is the same as a displayName of one of the codings.

                                                                    Control0..1
                                                                    Typestring
                                                                    Is Modifierfalse
                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                    Summarytrue
                                                                    Requirements

                                                                    The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                    Pattern ValueCall source
                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                    358. Observation.component:CallSource.value[x]
                                                                    Definition

                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                    ShortActual component result
                                                                    Comments

                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                    Control0..1
                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                    Is Modifierfalse
                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                    Summarytrue
                                                                    Requirements

                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                    • type @ $this
                                                                    • 360. Observation.component:CallSource.value[x]:valueString
                                                                      Slice NamevalueString
                                                                      Definition

                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                      ShortActual component result
                                                                      Comments

                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                      Control0..1
                                                                      Typestring, dateTime, boolean, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                      Is Modifierfalse
                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                      Summarytrue
                                                                      Requirements

                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                      362. Observation.component:ReportedComplaint
                                                                      Slice NameReportedComplaint
                                                                      Definition

                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                      ShortComponent results
                                                                      Comments

                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                      Control0..1*
                                                                      TypeBackboneElement
                                                                      Is Modifierfalse
                                                                      Must Supporttrue
                                                                      Summarytrue
                                                                      Requirements

                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                      364. Observation.component:ReportedComplaint.modifierExtension
                                                                      Definition

                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                      Comments

                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                      Control0..*
                                                                      TypeExtension
                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                      Summarytrue
                                                                      Requirements

                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                      Alternate Namesextensions, user content, modifiers
                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                      366. Observation.component:ReportedComplaint.code
                                                                      Definition

                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                      ShortType of component observation (code / type)
                                                                      Comments

                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                      Control1..1
                                                                      BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                      Codes identifying names of simple observations.

                                                                      TypeCodeableConcept
                                                                      Is Modifierfalse
                                                                      Summarytrue
                                                                      Requirements

                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                      368. Observation.component:ReportedComplaint.code.text
                                                                      Definition

                                                                      A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                      ShortPlain text representation of the concept
                                                                      Comments

                                                                      Very often the text is the same as a displayName of one of the codings.

                                                                      Control0..1
                                                                      Typestring
                                                                      Is Modifierfalse
                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                      Summarytrue
                                                                      Requirements

                                                                      The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                      Pattern ValueReported complaint
                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                      370. Observation.component:ReportedComplaint.value[x]
                                                                      Definition

                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                      ShortActual component result
                                                                      Comments

                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                      Control0..1
                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                      Is Modifierfalse
                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                      Summarytrue
                                                                      Requirements

                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                      • type @ $this
                                                                      • 372. Observation.component:ReportedComplaint.value[x]:valueString
                                                                        Slice NamevalueString
                                                                        Definition

                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                        ShortActual component result
                                                                        Comments

                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                        Control0..1
                                                                        Typestring, dateTime, boolean, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                        Is Modifierfalse
                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                        Summarytrue
                                                                        Requirements

                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                        374. Observation.component:MultipleInjuriesFlag
                                                                        Slice NameMultipleInjuriesFlag
                                                                        Definition

                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                        ShortComponent results
                                                                        Comments

                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                        Control0..1*
                                                                        TypeBackboneElement
                                                                        Is Modifierfalse
                                                                        Must Supporttrue
                                                                        Summarytrue
                                                                        Requirements

                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                        376. Observation.component:MultipleInjuriesFlag.modifierExtension
                                                                        Definition

                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                        Comments

                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                        Control0..*
                                                                        TypeExtension
                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                        Summarytrue
                                                                        Requirements

                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                        Alternate Namesextensions, user content, modifiers
                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                        378. Observation.component:MultipleInjuriesFlag.code
                                                                        Definition

                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                        ShortType of component observation (code / type)
                                                                        Comments

                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                        Control1..1
                                                                        BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                        Codes identifying names of simple observations.

                                                                        TypeCodeableConcept
                                                                        Is Modifierfalse
                                                                        Summarytrue
                                                                        Requirements

                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                        380. Observation.component:MultipleInjuriesFlag.value[x]
                                                                        Definition

                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                        ShortActual component result
                                                                        Comments

                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                        Control0..1
                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                        Is Modifierfalse
                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                        Summarytrue
                                                                        Requirements

                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                        • type @ $this
                                                                        • 382. Observation.component:MultipleInjuriesFlag.value[x]:valueBoolean
                                                                          Slice NamevalueBoolean
                                                                          Definition

                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                          ShortActual component result
                                                                          Comments

                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                          Control0..1
                                                                          Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                          Is Modifierfalse
                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                          Must Supporttrue
                                                                          Summarytrue
                                                                          Requirements

                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                          384. Observation.component:ExtentOfInjury
                                                                          Slice NameExtentOfInjury
                                                                          Definition

                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                          ShortComponent results
                                                                          Comments

                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                          Control0..*
                                                                          TypeBackboneElement
                                                                          Is Modifierfalse
                                                                          Summarytrue
                                                                          Requirements

                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                          386. Observation.component:ExtentOfInjury.modifierExtension
                                                                          Definition

                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                          Comments

                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                          Control0..*
                                                                          TypeExtension
                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                          Summarytrue
                                                                          Requirements

                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                          Alternate Namesextensions, user content, modifiers
                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                          388. Observation.component:ExtentOfInjury.code
                                                                          Definition

                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                          ShortType of component observation (code / type)
                                                                          Comments

                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                          Control1..1
                                                                          BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                          Codes identifying names of simple observations.

                                                                          TypeCodeableConcept
                                                                          Is Modifierfalse
                                                                          Summarytrue
                                                                          Requirements

                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                          390. Observation.component:ExtentOfInjury.value[x]
                                                                          Definition

                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                          ShortActual component result
                                                                          Comments

                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                          Control0..1
                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                          Is Modifierfalse
                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                          Summarytrue
                                                                          Requirements

                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                          • type @ $this
                                                                          • 392. Observation.component:ExtentOfInjury.value[x]:valueCodeableConcept
                                                                            Slice NamevalueCodeableConcept
                                                                            Definition

                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                            ShortActual component result
                                                                            Comments

                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                            Control0..1
                                                                            BindingThe codes SHOULD be taken from For codes, see RSInjuryTypeVS
                                                                            (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-InjuryType)
                                                                            TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                            Is Modifierfalse
                                                                            Summarytrue
                                                                            Requirements

                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                            394. Observation.component:CollisionMode
                                                                            Slice NameCollisionMode
                                                                            Definition

                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                            ShortComponent results
                                                                            Comments

                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                            Control0..1*
                                                                            TypeBackboneElement
                                                                            Is Modifierfalse
                                                                            Summarytrue
                                                                            Requirements

                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                            396. Observation.component:CollisionMode.modifierExtension
                                                                            Definition

                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                            Comments

                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                            Control0..*
                                                                            TypeExtension
                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                            Summarytrue
                                                                            Requirements

                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                            Alternate Namesextensions, user content, modifiers
                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                            398. Observation.component:CollisionMode.code
                                                                            Definition

                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                            ShortType of component observation (code / type)
                                                                            Comments

                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                            Control1..1
                                                                            BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                            Codes identifying names of simple observations.

                                                                            TypeCodeableConcept
                                                                            Is Modifierfalse
                                                                            Summarytrue
                                                                            Requirements

                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                            400. Observation.component:CollisionMode.value[x]
                                                                            Definition

                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                            ShortActual component result
                                                                            Comments

                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                            Control0..1
                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                            Is Modifierfalse
                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                            Summarytrue
                                                                            Requirements

                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                            • type @ $this
                                                                            • 402. Observation.component:CollisionMode.value[x]:valueCodeableConcept
                                                                              Slice NamevalueCodeableConcept
                                                                              Definition

                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                              ShortActual component result
                                                                              Comments

                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                              Control0..1
                                                                              BindingThe codes SHOULD be taken from For codes, see RSCollisionModeVS
                                                                              (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-CollisionMode)
                                                                              TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                              Is Modifierfalse
                                                                              Summarytrue
                                                                              Requirements

                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                              404. Observation.component:PatientsVehicleType
                                                                              Slice NamePatientsVehicleType
                                                                              Definition

                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                              ShortComponent results
                                                                              Comments

                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                              Control0..1*
                                                                              TypeBackboneElement
                                                                              Is Modifierfalse
                                                                              Summarytrue
                                                                              Requirements

                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                              406. Observation.component:PatientsVehicleType.modifierExtension
                                                                              Definition

                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                              Comments

                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                              Control0..*
                                                                              TypeExtension
                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                              Summarytrue
                                                                              Requirements

                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                              Alternate Namesextensions, user content, modifiers
                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                              408. Observation.component:PatientsVehicleType.code
                                                                              Definition

                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                              ShortType of component observation (code / type)
                                                                              Comments

                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                              Control1..1
                                                                              BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                              Codes identifying names of simple observations.

                                                                              TypeCodeableConcept
                                                                              Is Modifierfalse
                                                                              Summarytrue
                                                                              Requirements

                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                              410. Observation.component:PatientsVehicleType.value[x]
                                                                              Definition

                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                              ShortActual component result
                                                                              Comments

                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                              Control0..1
                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                              Is Modifierfalse
                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                              Summarytrue
                                                                              Requirements

                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                              • type @ $this
                                                                              • 412. Observation.component:PatientsVehicleType.value[x]:valueCodeableConcept
                                                                                Slice NamevalueCodeableConcept
                                                                                Definition

                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                ShortActual component result
                                                                                Comments

                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                Control0..1
                                                                                BindingThe codes SHOULD be taken from For codes, see ValueSet for Vehicle Used
                                                                                (preferred to https://build.fhir.org/ig/UPM-NTHC/PH-RoadSafetyIG/ValueSet/vs-rs-vehicle-type)
                                                                                TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                Is Modifierfalse
                                                                                Summarytrue
                                                                                Requirements

                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                414. Observation.component:OtherVehicleObjectType
                                                                                Slice NameOtherVehicleObjectType
                                                                                Definition

                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                ShortComponent results
                                                                                Comments

                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                Control0..*
                                                                                TypeBackboneElement
                                                                                Is Modifierfalse
                                                                                Summarytrue
                                                                                Requirements

                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                416. Observation.component:OtherVehicleObjectType.modifierExtension
                                                                                Definition

                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                Comments

                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                Control0..*
                                                                                TypeExtension
                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                Summarytrue
                                                                                Requirements

                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                Alternate Namesextensions, user content, modifiers
                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                418. Observation.component:OtherVehicleObjectType.code
                                                                                Definition

                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                ShortType of component observation (code / type)
                                                                                Comments

                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                Control1..1
                                                                                BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                Codes identifying names of simple observations.

                                                                                TypeCodeableConcept
                                                                                Is Modifierfalse
                                                                                Summarytrue
                                                                                Requirements

                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                420. Observation.component:OtherVehicleObjectType.value[x]
                                                                                Definition

                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                ShortActual component result
                                                                                Comments

                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                Control0..1
                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                Is Modifierfalse
                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                Summarytrue
                                                                                Requirements

                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                • type @ $this
                                                                                • 422. Observation.component:OtherVehicleObjectType.value[x]:valueCodeableConcept
                                                                                  Slice NamevalueCodeableConcept
                                                                                  Definition

                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                  ShortActual component result
                                                                                  Comments

                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                  Control0..1
                                                                                  BindingThe codes SHOULD be taken from For codes, see RSOtherVehicleObjectVS
                                                                                  (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-OtherVehicleObject)
                                                                                  TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                  Is Modifierfalse
                                                                                  Summarytrue
                                                                                  Requirements

                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                  424. Observation.component:PositionOfPatient
                                                                                  Slice NamePositionOfPatient
                                                                                  Definition

                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                  ShortComponent results
                                                                                  Comments

                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                  Control0..1*
                                                                                  TypeBackboneElement
                                                                                  Is Modifierfalse
                                                                                  Summarytrue
                                                                                  Requirements

                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                  426. Observation.component:PositionOfPatient.modifierExtension
                                                                                  Definition

                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                  Comments

                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                  Control0..*
                                                                                  TypeExtension
                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                  Summarytrue
                                                                                  Requirements

                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                  428. Observation.component:PositionOfPatient.code
                                                                                  Definition

                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                  ShortType of component observation (code / type)
                                                                                  Comments

                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                  Control1..1
                                                                                  BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                  Codes identifying names of simple observations.

                                                                                  TypeCodeableConcept
                                                                                  Is Modifierfalse
                                                                                  Summarytrue
                                                                                  Requirements

                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                  430. Observation.component:PositionOfPatient.value[x]
                                                                                  Definition

                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                  ShortActual component result
                                                                                  Comments

                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                  Control0..1
                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                  Is Modifierfalse
                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                  Summarytrue
                                                                                  Requirements

                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                  • type @ $this
                                                                                  • 432. Observation.component:PositionOfPatient.value[x]:valueCodeableConcept
                                                                                    Slice NamevalueCodeableConcept
                                                                                    Definition

                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                    ShortActual component result
                                                                                    Comments

                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                    Control0..1
                                                                                    BindingThe codes SHOULD be taken from For codes, see RSPatientPositionVS
                                                                                    (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-PatientPosition)
                                                                                    TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                    Is Modifierfalse
                                                                                    Summarytrue
                                                                                    Requirements

                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                    434. Observation.component:SafetyAccessories
                                                                                    Slice NameSafetyAccessories
                                                                                    Definition

                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                    ShortComponent results
                                                                                    Comments

                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                    Control0..*
                                                                                    TypeBackboneElement
                                                                                    Is Modifierfalse
                                                                                    Summarytrue
                                                                                    Requirements

                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                    436. Observation.component:SafetyAccessories.modifierExtension
                                                                                    Definition

                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                    Comments

                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                    Control0..*
                                                                                    TypeExtension
                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                    Summarytrue
                                                                                    Requirements

                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                    438. Observation.component:SafetyAccessories.code
                                                                                    Definition

                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                    ShortType of component observation (code / type)
                                                                                    Comments

                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                    Control1..1
                                                                                    BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                    Codes identifying names of simple observations.

                                                                                    TypeCodeableConcept
                                                                                    Is Modifierfalse
                                                                                    Summarytrue
                                                                                    Requirements

                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                    440. Observation.component:SafetyAccessories.value[x]
                                                                                    Definition

                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                    ShortActual component result
                                                                                    Comments

                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                    Control0..1
                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                    Is Modifierfalse
                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                    Summarytrue
                                                                                    Requirements

                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                    • type @ $this
                                                                                    • 442. Observation.component:SafetyAccessories.value[x]:valueCodeableConcept
                                                                                      Slice NamevalueCodeableConcept
                                                                                      Definition

                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                      ShortActual component result
                                                                                      Comments

                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                      Control0..1
                                                                                      BindingThe codes SHOULD be taken from For codes, see RSSafetyAccessoriesVS
                                                                                      (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-SafetyAccessories)
                                                                                      TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                      Is Modifierfalse
                                                                                      Summarytrue
                                                                                      Requirements

                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                      444. Observation.component:OtherRiskFactors
                                                                                      Slice NameOtherRiskFactors
                                                                                      Definition

                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                      ShortComponent results
                                                                                      Comments

                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                      Control0..*
                                                                                      TypeBackboneElement
                                                                                      Is Modifierfalse
                                                                                      Summarytrue
                                                                                      Requirements

                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                      446. Observation.component:OtherRiskFactors.modifierExtension
                                                                                      Definition

                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                      Comments

                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                      Control0..*
                                                                                      TypeExtension
                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                      Summarytrue
                                                                                      Requirements

                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                      448. Observation.component:OtherRiskFactors.code
                                                                                      Definition

                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                      ShortType of component observation (code / type)
                                                                                      Comments

                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                      Control1..1
                                                                                      BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                      Codes identifying names of simple observations.

                                                                                      TypeCodeableConcept
                                                                                      Is Modifierfalse
                                                                                      Summarytrue
                                                                                      Requirements

                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                      450. Observation.component:OtherRiskFactors.value[x]
                                                                                      Definition

                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                      ShortActual component result
                                                                                      Comments

                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                      Control0..1
                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                      Is Modifierfalse
                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                      Summarytrue
                                                                                      Requirements

                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                      • type @ $this
                                                                                      • 452. Observation.component:OtherRiskFactors.value[x]:valueCodeableConcept
                                                                                        Slice NamevalueCodeableConcept
                                                                                        Definition

                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                        ShortActual component result
                                                                                        Comments

                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                        Control0..1
                                                                                        BindingThe codes SHOULD be taken from For codes, see RSRiskFactorsVS
                                                                                        (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-RiskFactors)
                                                                                        TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                        Is Modifierfalse
                                                                                        Summarytrue
                                                                                        Requirements

                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                        454. Observation.component:BloodAlcoholConcentration
                                                                                        Slice NameBloodAlcoholConcentration
                                                                                        Definition

                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                        ShortComponent results
                                                                                        Comments

                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                        Control0..1*
                                                                                        TypeBackboneElement
                                                                                        Is Modifierfalse
                                                                                        Summarytrue
                                                                                        Requirements

                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                        456. Observation.component:BloodAlcoholConcentration.modifierExtension
                                                                                        Definition

                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                        Comments

                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                        Control0..*
                                                                                        TypeExtension
                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                        Summarytrue
                                                                                        Requirements

                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                        458. Observation.component:BloodAlcoholConcentration.code
                                                                                        Definition

                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                        ShortType of component observation (code / type)
                                                                                        Comments

                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                        Control1..1
                                                                                        BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                        Codes identifying names of simple observations.

                                                                                        TypeCodeableConcept
                                                                                        Is Modifierfalse
                                                                                        Summarytrue
                                                                                        Requirements

                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                        460. Observation.component:BloodAlcoholConcentration.value[x]
                                                                                        Definition

                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                        ShortActual component result
                                                                                        Comments

                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                        Control0..1
                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                        Is Modifierfalse
                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                        Summarytrue
                                                                                        Requirements

                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                        • type @ $this
                                                                                        • 462. Observation.component:BloodAlcoholConcentration.value[x]:valueQuantity
                                                                                          Slice NamevalueQuantity
                                                                                          Definition

                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                          ShortActual component result
                                                                                          Comments

                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                          Control0..1
                                                                                          TypeQuantity, dateTime, boolean, string, SampledData, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                          Is Modifierfalse
                                                                                          Summarytrue
                                                                                          Requirements

                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                          464. Observation.component:InjuryAbrasion
                                                                                          Slice NameInjuryAbrasion
                                                                                          Definition

                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                          ShortComponent results
                                                                                          Comments

                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                          Control0..1*
                                                                                          TypeBackboneElement
                                                                                          Is Modifierfalse
                                                                                          Must Supporttrue
                                                                                          Summarytrue
                                                                                          Requirements

                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                          466. Observation.component:InjuryAbrasion.modifierExtension
                                                                                          Definition

                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                          Comments

                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                          Control0..*
                                                                                          TypeExtension
                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                          Summarytrue
                                                                                          Requirements

                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                          468. Observation.component:InjuryAbrasion.code
                                                                                          Definition

                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                          ShortType of component observation (code / type)
                                                                                          Comments

                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                          Control1..1
                                                                                          BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                          Codes identifying names of simple observations.

                                                                                          TypeCodeableConcept
                                                                                          Is Modifierfalse
                                                                                          Summarytrue
                                                                                          Requirements

                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                          Pattern Value{
                                                                                            "coding" : [{
                                                                                              "system" : "http://snomed.info/sct",
                                                                                              "code" : "399963005",
                                                                                              "display" : "Abrasion (disorder)"
                                                                                            }]
                                                                                          }
                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                          470. Observation.component:InjuryAbrasion.value[x]
                                                                                          Definition

                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                          ShortActual component result
                                                                                          Comments

                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                          Control0..1
                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                          Is Modifierfalse
                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                          Summarytrue
                                                                                          Requirements

                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                          • type @ $this
                                                                                          • 472. Observation.component:InjuryAbrasion.value[x]:valueBoolean
                                                                                            Slice NamevalueBoolean
                                                                                            Definition

                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                            ShortActual component result
                                                                                            Comments

                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                            Control0..1
                                                                                            Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                            Is Modifierfalse
                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                            Must Supporttrue
                                                                                            Summarytrue
                                                                                            Requirements

                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                            474. Observation.component:InjuryAvulsion
                                                                                            Slice NameInjuryAvulsion
                                                                                            Definition

                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                            ShortComponent results
                                                                                            Comments

                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                            Control0..1*
                                                                                            TypeBackboneElement
                                                                                            Is Modifierfalse
                                                                                            Must Supporttrue
                                                                                            Summarytrue
                                                                                            Requirements

                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                            476. Observation.component:InjuryAvulsion.modifierExtension
                                                                                            Definition

                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                            Comments

                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                            Control0..*
                                                                                            TypeExtension
                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                            Summarytrue
                                                                                            Requirements

                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                            478. Observation.component:InjuryAvulsion.code
                                                                                            Definition

                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                            ShortType of component observation (code / type)
                                                                                            Comments

                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                            Control1..1
                                                                                            BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                            Codes identifying names of simple observations.

                                                                                            TypeCodeableConcept
                                                                                            Is Modifierfalse
                                                                                            Summarytrue
                                                                                            Requirements

                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                            Pattern Value{
                                                                                              "coding" : [{
                                                                                                "system" : "http://snomed.info/sct",
                                                                                                "code" : "284554003",
                                                                                                "display" : "Avulsion - injury (disorder)"
                                                                                              }]
                                                                                            }
                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                            480. Observation.component:InjuryAvulsion.value[x]
                                                                                            Definition

                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                            ShortActual component result
                                                                                            Comments

                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                            Control0..1
                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                            Is Modifierfalse
                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                            Summarytrue
                                                                                            Requirements

                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                            • type @ $this
                                                                                            • 482. Observation.component:InjuryAvulsion.value[x]:valueBoolean
                                                                                              Slice NamevalueBoolean
                                                                                              Definition

                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                              ShortActual component result
                                                                                              Comments

                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                              Control0..1
                                                                                              Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                              Is Modifierfalse
                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                              Must Supporttrue
                                                                                              Summarytrue
                                                                                              Requirements

                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                              484. Observation.component:InjuryBurnGeneral
                                                                                              Slice NameInjuryBurnGeneral
                                                                                              Definition

                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                              ShortComponent results
                                                                                              Comments

                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                              Control0..1*
                                                                                              TypeBackboneElement
                                                                                              Is Modifierfalse
                                                                                              Must Supporttrue
                                                                                              Summarytrue
                                                                                              Requirements

                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                              486. Observation.component:InjuryBurnGeneral.modifierExtension
                                                                                              Definition

                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                              Comments

                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                              Control0..*
                                                                                              TypeExtension
                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                              Summarytrue
                                                                                              Requirements

                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                              488. Observation.component:InjuryBurnGeneral.code
                                                                                              Definition

                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                              ShortType of component observation (code / type)
                                                                                              Comments

                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                              Control1..1
                                                                                              BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                              Codes identifying names of simple observations.

                                                                                              TypeCodeableConcept
                                                                                              Is Modifierfalse
                                                                                              Summarytrue
                                                                                              Requirements

                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                              Pattern Value{
                                                                                                "coding" : [{
                                                                                                  "system" : "http://snomed.info/sct",
                                                                                                  "code" : "125666000",
                                                                                                  "display" : "Burn (disorder)"
                                                                                                }]
                                                                                              }
                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                              490. Observation.component:InjuryBurnGeneral.value[x]
                                                                                              Definition

                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                              ShortActual component result
                                                                                              Comments

                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                              Control0..1
                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                              Is Modifierfalse
                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                              Summarytrue
                                                                                              Requirements

                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                              • type @ $this
                                                                                              • 492. Observation.component:InjuryBurnGeneral.value[x]:valueBoolean
                                                                                                Slice NamevalueBoolean
                                                                                                Definition

                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                ShortActual component result
                                                                                                Comments

                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                Control0..1
                                                                                                Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                Is Modifierfalse
                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                Must Supporttrue
                                                                                                Summarytrue
                                                                                                Requirements

                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                494. Observation.component:InjuryBurn1st
                                                                                                Slice NameInjuryBurn1st
                                                                                                Definition

                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                ShortComponent results
                                                                                                Comments

                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                Control0..1*
                                                                                                TypeBackboneElement
                                                                                                Is Modifierfalse
                                                                                                Summarytrue
                                                                                                Requirements

                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                496. Observation.component:InjuryBurn1st.modifierExtension
                                                                                                Definition

                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                Comments

                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                Control0..*
                                                                                                TypeExtension
                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                Summarytrue
                                                                                                Requirements

                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                498. Observation.component:InjuryBurn1st.code
                                                                                                Definition

                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                ShortType of component observation (code / type)
                                                                                                Comments

                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                Control1..1
                                                                                                BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                Codes identifying names of simple observations.

                                                                                                TypeCodeableConcept
                                                                                                Is Modifierfalse
                                                                                                Summarytrue
                                                                                                Requirements

                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                Pattern Value{
                                                                                                  "coding" : [{
                                                                                                    "system" : "http://snomed.info/sct",
                                                                                                    "code" : "77140003",
                                                                                                    "display" : "First degree burn injury (morphologic abnormality)"
                                                                                                  }]
                                                                                                }
                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                500. Observation.component:InjuryBurn1st.value[x]
                                                                                                Definition

                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                ShortActual component result
                                                                                                Comments

                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                Control0..1
                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                Is Modifierfalse
                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                Summarytrue
                                                                                                Requirements

                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                • type @ $this
                                                                                                • 502. Observation.component:InjuryBurn1st.value[x]:valueBoolean
                                                                                                  Slice NamevalueBoolean
                                                                                                  Definition

                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                  ShortActual component result
                                                                                                  Comments

                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                  Control0..1
                                                                                                  Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                  Is Modifierfalse
                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                  Summarytrue
                                                                                                  Requirements

                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                  504. Observation.component:InjuryBurn2nd
                                                                                                  Slice NameInjuryBurn2nd
                                                                                                  Definition

                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                  ShortComponent results
                                                                                                  Comments

                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                  Control0..1*
                                                                                                  TypeBackboneElement
                                                                                                  Is Modifierfalse
                                                                                                  Summarytrue
                                                                                                  Requirements

                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                  506. Observation.component:InjuryBurn2nd.modifierExtension
                                                                                                  Definition

                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                  Comments

                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                  Control0..*
                                                                                                  TypeExtension
                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                  Summarytrue
                                                                                                  Requirements

                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                  508. Observation.component:InjuryBurn2nd.code
                                                                                                  Definition

                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                  ShortType of component observation (code / type)
                                                                                                  Comments

                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                  Control1..1
                                                                                                  BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                  Codes identifying names of simple observations.

                                                                                                  TypeCodeableConcept
                                                                                                  Is Modifierfalse
                                                                                                  Summarytrue
                                                                                                  Requirements

                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                  Pattern Value{
                                                                                                    "coding" : [{
                                                                                                      "system" : "http://snomed.info/sct",
                                                                                                      "code" : "46541008",
                                                                                                      "display" : "Second degree burn injury (morphologic abnormality)"
                                                                                                    }]
                                                                                                  }
                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                  510. Observation.component:InjuryBurn2nd.value[x]
                                                                                                  Definition

                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                  ShortActual component result
                                                                                                  Comments

                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                  Control0..1
                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                  Is Modifierfalse
                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                  Summarytrue
                                                                                                  Requirements

                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                  • type @ $this
                                                                                                  • 512. Observation.component:InjuryBurn2nd.value[x]:valueBoolean
                                                                                                    Slice NamevalueBoolean
                                                                                                    Definition

                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                    ShortActual component result
                                                                                                    Comments

                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                    Control0..1
                                                                                                    Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                    Is Modifierfalse
                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                    Summarytrue
                                                                                                    Requirements

                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                    514. Observation.component:InjuryBurn3rd
                                                                                                    Slice NameInjuryBurn3rd
                                                                                                    Definition

                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                    ShortComponent results
                                                                                                    Comments

                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                    Control0..1*
                                                                                                    TypeBackboneElement
                                                                                                    Is Modifierfalse
                                                                                                    Summarytrue
                                                                                                    Requirements

                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                    516. Observation.component:InjuryBurn3rd.modifierExtension
                                                                                                    Definition

                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                    Comments

                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                    Control0..*
                                                                                                    TypeExtension
                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                    Summarytrue
                                                                                                    Requirements

                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                    518. Observation.component:InjuryBurn3rd.code
                                                                                                    Definition

                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                    ShortType of component observation (code / type)
                                                                                                    Comments

                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                    Control1..1
                                                                                                    BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                    Codes identifying names of simple observations.

                                                                                                    TypeCodeableConcept
                                                                                                    Is Modifierfalse
                                                                                                    Summarytrue
                                                                                                    Requirements

                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                    Pattern Value{
                                                                                                      "coding" : [{
                                                                                                        "system" : "http://snomed.info/sct",
                                                                                                        "code" : "80247002",
                                                                                                        "display" : "Third degree burn injury (morphologic abnormality)"
                                                                                                      }]
                                                                                                    }
                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                    520. Observation.component:InjuryBurn3rd.value[x]
                                                                                                    Definition

                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                    ShortActual component result
                                                                                                    Comments

                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                    Control0..1
                                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                    Is Modifierfalse
                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                    Summarytrue
                                                                                                    Requirements

                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                    • type @ $this
                                                                                                    • 522. Observation.component:InjuryBurn3rd.value[x]:valueBoolean
                                                                                                      Slice NamevalueBoolean
                                                                                                      Definition

                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                      ShortActual component result
                                                                                                      Comments

                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                      Control0..1
                                                                                                      Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                      Is Modifierfalse
                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                      Summarytrue
                                                                                                      Requirements

                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                      524. Observation.component:InjuryBurn4th
                                                                                                      Slice NameInjuryBurn4th
                                                                                                      Definition

                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                      ShortComponent results
                                                                                                      Comments

                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                      Control0..1*
                                                                                                      TypeBackboneElement
                                                                                                      Is Modifierfalse
                                                                                                      Summarytrue
                                                                                                      Requirements

                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                      526. Observation.component:InjuryBurn4th.modifierExtension
                                                                                                      Definition

                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                      Comments

                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                      Control0..*
                                                                                                      TypeExtension
                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                      Summarytrue
                                                                                                      Requirements

                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                      528. Observation.component:InjuryBurn4th.code
                                                                                                      Definition

                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                      ShortType of component observation (code / type)
                                                                                                      Comments

                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                      Control1..1
                                                                                                      BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                      Codes identifying names of simple observations.

                                                                                                      TypeCodeableConcept
                                                                                                      Is Modifierfalse
                                                                                                      Summarytrue
                                                                                                      Requirements

                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                      Pattern Value{
                                                                                                        "coding" : [{
                                                                                                          "system" : "http://snomed.info/sct",
                                                                                                          "code" : "770400008",
                                                                                                          "display" : "Fourth degree burn injury (morphologic abnormality)"
                                                                                                        }]
                                                                                                      }
                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                      530. Observation.component:InjuryBurn4th.value[x]
                                                                                                      Definition

                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                      ShortActual component result
                                                                                                      Comments

                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                      Control0..1
                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                      Is Modifierfalse
                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                      Summarytrue
                                                                                                      Requirements

                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                      • type @ $this
                                                                                                      • 532. Observation.component:InjuryBurn4th.value[x]:valueBoolean
                                                                                                        Slice NamevalueBoolean
                                                                                                        Definition

                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                        ShortActual component result
                                                                                                        Comments

                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                        Control0..1
                                                                                                        Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                        Is Modifierfalse
                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                        Summarytrue
                                                                                                        Requirements

                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                        534. Observation.component:InjuryConcussion
                                                                                                        Slice NameInjuryConcussion
                                                                                                        Definition

                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                        ShortComponent results
                                                                                                        Comments

                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                        Control0..1*
                                                                                                        TypeBackboneElement
                                                                                                        Is Modifierfalse
                                                                                                        Must Supporttrue
                                                                                                        Summarytrue
                                                                                                        Requirements

                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                        536. Observation.component:InjuryConcussion.modifierExtension
                                                                                                        Definition

                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                        Comments

                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                        Control0..*
                                                                                                        TypeExtension
                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                        Summarytrue
                                                                                                        Requirements

                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                        538. Observation.component:InjuryConcussion.code
                                                                                                        Definition

                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                        ShortType of component observation (code / type)
                                                                                                        Comments

                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                        Control1..1
                                                                                                        BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                        Codes identifying names of simple observations.

                                                                                                        TypeCodeableConcept
                                                                                                        Is Modifierfalse
                                                                                                        Summarytrue
                                                                                                        Requirements

                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                        Pattern Value{
                                                                                                          "coding" : [{
                                                                                                            "system" : "http://snomed.info/sct",
                                                                                                            "code" : "110030002",
                                                                                                            "display" : "Concussion injury of brain (disorder)"
                                                                                                          }]
                                                                                                        }
                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                        540. Observation.component:InjuryConcussion.value[x]
                                                                                                        Definition

                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                        ShortActual component result
                                                                                                        Comments

                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                        Control0..1
                                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                        Is Modifierfalse
                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                        Summarytrue
                                                                                                        Requirements

                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                        • type @ $this
                                                                                                        • 542. Observation.component:InjuryConcussion.value[x]:valueBoolean
                                                                                                          Slice NamevalueBoolean
                                                                                                          Definition

                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                          ShortActual component result
                                                                                                          Comments

                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                          Control0..1
                                                                                                          Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                          Is Modifierfalse
                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                          Must Supporttrue
                                                                                                          Summarytrue
                                                                                                          Requirements

                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                          544. Observation.component:InjuryContusion
                                                                                                          Slice NameInjuryContusion
                                                                                                          Definition

                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                          ShortComponent results
                                                                                                          Comments

                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                          Control0..1*
                                                                                                          TypeBackboneElement
                                                                                                          Is Modifierfalse
                                                                                                          Must Supporttrue
                                                                                                          Summarytrue
                                                                                                          Requirements

                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                          546. Observation.component:InjuryContusion.modifierExtension
                                                                                                          Definition

                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                          Comments

                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                          Control0..*
                                                                                                          TypeExtension
                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                          Summarytrue
                                                                                                          Requirements

                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                          548. Observation.component:InjuryContusion.code
                                                                                                          Definition

                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                          ShortType of component observation (code / type)
                                                                                                          Comments

                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                          Control1..1
                                                                                                          BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                          Codes identifying names of simple observations.

                                                                                                          TypeCodeableConcept
                                                                                                          Is Modifierfalse
                                                                                                          Summarytrue
                                                                                                          Requirements

                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                          Pattern Value{
                                                                                                            "coding" : [{
                                                                                                              "system" : "http://snomed.info/sct",
                                                                                                              "code" : "125667009",
                                                                                                              "display" : "Contusion (disorder)"
                                                                                                            }]
                                                                                                          }
                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                          550. Observation.component:InjuryContusion.value[x]
                                                                                                          Definition

                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                          ShortActual component result
                                                                                                          Comments

                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                          Control0..1
                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                          Is Modifierfalse
                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                          Summarytrue
                                                                                                          Requirements

                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                          • type @ $this
                                                                                                          • 552. Observation.component:InjuryContusion.value[x]:valueBoolean
                                                                                                            Slice NamevalueBoolean
                                                                                                            Definition

                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                            ShortActual component result
                                                                                                            Comments

                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                            Control0..1
                                                                                                            Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                            Is Modifierfalse
                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                            Must Supporttrue
                                                                                                            Summarytrue
                                                                                                            Requirements

                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                            554. Observation.component:InjuryFractureAny
                                                                                                            Slice NameInjuryFractureAny
                                                                                                            Definition

                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                            ShortComponent results
                                                                                                            Comments

                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                            Control0..1*
                                                                                                            TypeBackboneElement
                                                                                                            Is Modifierfalse
                                                                                                            Must Supporttrue
                                                                                                            Summarytrue
                                                                                                            Requirements

                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                            556. Observation.component:InjuryFractureAny.modifierExtension
                                                                                                            Definition

                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                            Comments

                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                            Control0..*
                                                                                                            TypeExtension
                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                            Summarytrue
                                                                                                            Requirements

                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                            558. Observation.component:InjuryFractureAny.code
                                                                                                            Definition

                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                            ShortType of component observation (code / type)
                                                                                                            Comments

                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                            Control1..1
                                                                                                            BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                            Codes identifying names of simple observations.

                                                                                                            TypeCodeableConcept
                                                                                                            Is Modifierfalse
                                                                                                            Summarytrue
                                                                                                            Requirements

                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                            Pattern Value{
                                                                                                              "coding" : [{
                                                                                                                "system" : "http://snomed.info/sct",
                                                                                                                "code" : "72704001",
                                                                                                                "display" : "Fracture (morphologic abnormality)"
                                                                                                              }]
                                                                                                            }
                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                            560. Observation.component:InjuryFractureAny.value[x]
                                                                                                            Definition

                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                            ShortActual component result
                                                                                                            Comments

                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                            Control0..1
                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                            Is Modifierfalse
                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                            Summarytrue
                                                                                                            Requirements

                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                            • type @ $this
                                                                                                            • 562. Observation.component:InjuryFractureAny.value[x]:valueBoolean
                                                                                                              Slice NamevalueBoolean
                                                                                                              Definition

                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                              ShortActual component result
                                                                                                              Comments

                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                              Control0..1
                                                                                                              Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                              Is Modifierfalse
                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                              Must Supporttrue
                                                                                                              Summarytrue
                                                                                                              Requirements

                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                              564. Observation.component:InjuryFractureClosed
                                                                                                              Slice NameInjuryFractureClosed
                                                                                                              Definition

                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                              ShortComponent results
                                                                                                              Comments

                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                              Control0..1*
                                                                                                              TypeBackboneElement
                                                                                                              Is Modifierfalse
                                                                                                              Summarytrue
                                                                                                              Requirements

                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                              566. Observation.component:InjuryFractureClosed.modifierExtension
                                                                                                              Definition

                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                              Comments

                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                              Control0..*
                                                                                                              TypeExtension
                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                              Summarytrue
                                                                                                              Requirements

                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                              568. Observation.component:InjuryFractureClosed.code
                                                                                                              Definition

                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                              ShortType of component observation (code / type)
                                                                                                              Comments

                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                              Control1..1
                                                                                                              BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                              Codes identifying names of simple observations.

                                                                                                              TypeCodeableConcept
                                                                                                              Is Modifierfalse
                                                                                                              Summarytrue
                                                                                                              Requirements

                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                              Pattern Value{
                                                                                                                "coding" : [{
                                                                                                                  "system" : "http://snomed.info/sct",
                                                                                                                  "code" : "423125000",
                                                                                                                  "display" : "Closed fracture of bone (disorder)"
                                                                                                                }]
                                                                                                              }
                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                              570. Observation.component:InjuryFractureClosed.value[x]
                                                                                                              Definition

                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                              ShortActual component result
                                                                                                              Comments

                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                              Control0..1
                                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                              Is Modifierfalse
                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                              Summarytrue
                                                                                                              Requirements

                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                              • type @ $this
                                                                                                              • 572. Observation.component:InjuryFractureClosed.value[x]:valueBoolean
                                                                                                                Slice NamevalueBoolean
                                                                                                                Definition

                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                ShortActual component result
                                                                                                                Comments

                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                Control0..1
                                                                                                                Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                Is Modifierfalse
                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                Summarytrue
                                                                                                                Requirements

                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                574. Observation.component:InjuryFractureOpen
                                                                                                                Slice NameInjuryFractureOpen
                                                                                                                Definition

                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                ShortComponent results
                                                                                                                Comments

                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                Control0..1*
                                                                                                                TypeBackboneElement
                                                                                                                Is Modifierfalse
                                                                                                                Summarytrue
                                                                                                                Requirements

                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                576. Observation.component:InjuryFractureOpen.modifierExtension
                                                                                                                Definition

                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                Comments

                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                Control0..*
                                                                                                                TypeExtension
                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                Summarytrue
                                                                                                                Requirements

                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                578. Observation.component:InjuryFractureOpen.code
                                                                                                                Definition

                                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                ShortType of component observation (code / type)
                                                                                                                Comments

                                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                Control1..1
                                                                                                                BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                Codes identifying names of simple observations.

                                                                                                                TypeCodeableConcept
                                                                                                                Is Modifierfalse
                                                                                                                Summarytrue
                                                                                                                Requirements

                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                Pattern Value{
                                                                                                                  "coding" : [{
                                                                                                                    "system" : "http://snomed.info/sct",
                                                                                                                    "code" : "397181002",
                                                                                                                    "display" : "Open fracture (disorder)"
                                                                                                                  }]
                                                                                                                }
                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                580. Observation.component:InjuryFractureOpen.value[x]
                                                                                                                Definition

                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                ShortActual component result
                                                                                                                Comments

                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                Control0..1
                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                Is Modifierfalse
                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                Summarytrue
                                                                                                                Requirements

                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                • type @ $this
                                                                                                                • 582. Observation.component:InjuryFractureOpen.value[x]:valueBoolean
                                                                                                                  Slice NamevalueBoolean
                                                                                                                  Definition

                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                  ShortActual component result
                                                                                                                  Comments

                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                  Control0..1
                                                                                                                  Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                  Is Modifierfalse
                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                  Summarytrue
                                                                                                                  Requirements

                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                  584. Observation.component:InjuryOpenWound
                                                                                                                  Slice NameInjuryOpenWound
                                                                                                                  Definition

                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                  ShortComponent results
                                                                                                                  Comments

                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                  Control0..1*
                                                                                                                  TypeBackboneElement
                                                                                                                  Is Modifierfalse
                                                                                                                  Must Supporttrue
                                                                                                                  Summarytrue
                                                                                                                  Requirements

                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                  586. Observation.component:InjuryOpenWound.modifierExtension
                                                                                                                  Definition

                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                  Comments

                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                  Control0..*
                                                                                                                  TypeExtension
                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                  Summarytrue
                                                                                                                  Requirements

                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                  588. Observation.component:InjuryOpenWound.code
                                                                                                                  Definition

                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                  ShortType of component observation (code / type)
                                                                                                                  Comments

                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                  Control1..1
                                                                                                                  BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                  Codes identifying names of simple observations.

                                                                                                                  TypeCodeableConcept
                                                                                                                  Is Modifierfalse
                                                                                                                  Summarytrue
                                                                                                                  Requirements

                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                  Pattern Value{
                                                                                                                    "coding" : [{
                                                                                                                      "system" : "http://snomed.info/sct",
                                                                                                                      "code" : "125643001",
                                                                                                                      "display" : "Open wound (disorder)"
                                                                                                                    }]
                                                                                                                  }
                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                  590. Observation.component:InjuryOpenWound.value[x]
                                                                                                                  Definition

                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                  ShortActual component result
                                                                                                                  Comments

                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                  Control0..1
                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                  Is Modifierfalse
                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                  Summarytrue
                                                                                                                  Requirements

                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                  • type @ $this
                                                                                                                  • 592. Observation.component:InjuryOpenWound.value[x]:valueBoolean
                                                                                                                    Slice NamevalueBoolean
                                                                                                                    Definition

                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                    ShortActual component result
                                                                                                                    Comments

                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                    Control0..1
                                                                                                                    Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                    Is Modifierfalse
                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                    Must Supporttrue
                                                                                                                    Summarytrue
                                                                                                                    Requirements

                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                    594. Observation.component:InjuryTraumaticAmputation
                                                                                                                    Slice NameInjuryTraumaticAmputation
                                                                                                                    Definition

                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                    ShortComponent results
                                                                                                                    Comments

                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                    Control0..1*
                                                                                                                    TypeBackboneElement
                                                                                                                    Is Modifierfalse
                                                                                                                    Must Supporttrue
                                                                                                                    Summarytrue
                                                                                                                    Requirements

                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                    596. Observation.component:InjuryTraumaticAmputation.modifierExtension
                                                                                                                    Definition

                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                    Comments

                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                    Control0..*
                                                                                                                    TypeExtension
                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                    Summarytrue
                                                                                                                    Requirements

                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                    598. Observation.component:InjuryTraumaticAmputation.code
                                                                                                                    Definition

                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                    ShortType of component observation (code / type)
                                                                                                                    Comments

                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                    Control1..1
                                                                                                                    BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                    Codes identifying names of simple observations.

                                                                                                                    TypeCodeableConcept
                                                                                                                    Is Modifierfalse
                                                                                                                    Summarytrue
                                                                                                                    Requirements

                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                    Pattern Value{
                                                                                                                      "coding" : [{
                                                                                                                        "system" : "http://snomed.info/sct",
                                                                                                                        "code" : "262595009",
                                                                                                                        "display" : "Traumatic amputation (disorder)"
                                                                                                                      }]
                                                                                                                    }
                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                    600. Observation.component:InjuryTraumaticAmputation.value[x]
                                                                                                                    Definition

                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                    ShortActual component result
                                                                                                                    Comments

                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                    Control0..1
                                                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                    Is Modifierfalse
                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                    Summarytrue
                                                                                                                    Requirements

                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                    • type @ $this
                                                                                                                    • 602. Observation.component:InjuryTraumaticAmputation.value[x]:valueBoolean
                                                                                                                      Slice NamevalueBoolean
                                                                                                                      Definition

                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                      ShortActual component result
                                                                                                                      Comments

                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                      Control0..1
                                                                                                                      Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                      Is Modifierfalse
                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                      Must Supporttrue
                                                                                                                      Summarytrue
                                                                                                                      Requirements

                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                      604. Observation.component:InjuryOther
                                                                                                                      Slice NameInjuryOther
                                                                                                                      Definition

                                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                      ShortComponent results
                                                                                                                      Comments

                                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                      Control0..1*
                                                                                                                      TypeBackboneElement
                                                                                                                      Is Modifierfalse
                                                                                                                      Must Supporttrue
                                                                                                                      Summarytrue
                                                                                                                      Requirements

                                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                      606. Observation.component:InjuryOther.modifierExtension
                                                                                                                      Definition

                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                      Comments

                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                      Control0..*
                                                                                                                      TypeExtension
                                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                      Summarytrue
                                                                                                                      Requirements

                                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                      608. Observation.component:InjuryOther.code
                                                                                                                      Definition

                                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                      ShortType of component observation (code / type)
                                                                                                                      Comments

                                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                      Control1..1
                                                                                                                      BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                      Codes identifying names of simple observations.

                                                                                                                      TypeCodeableConcept
                                                                                                                      Is Modifierfalse
                                                                                                                      Summarytrue
                                                                                                                      Requirements

                                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                      610. Observation.component:InjuryOther.code.text
                                                                                                                      Definition

                                                                                                                      A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                      ShortPlain text representation of the concept
                                                                                                                      Comments

                                                                                                                      Very often the text is the same as a displayName of one of the codings.

                                                                                                                      Control10..1
                                                                                                                      Typestring
                                                                                                                      Is Modifierfalse
                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                      Summarytrue
                                                                                                                      Requirements

                                                                                                                      The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                      612. Observation.component:InjuryOther.value[x]
                                                                                                                      Definition

                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                      ShortActual component result
                                                                                                                      Comments

                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                      Control0..1
                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                      Is Modifierfalse
                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                      Summarytrue
                                                                                                                      Requirements

                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                      • type @ $this
                                                                                                                      • 614. Observation.component:InjuryOther.value[x]:valueBoolean
                                                                                                                        Slice NamevalueBoolean
                                                                                                                        Definition

                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                        ShortActual component result
                                                                                                                        Comments

                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                        Control0..1
                                                                                                                        Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                        Is Modifierfalse
                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                        Must Supporttrue
                                                                                                                        Summarytrue
                                                                                                                        Requirements

                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                        616. Observation.component:External_BitesStings
                                                                                                                        Slice NameExternal_BitesStings
                                                                                                                        Definition

                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                        ShortComponent results
                                                                                                                        Comments

                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                        Control0..1*
                                                                                                                        TypeBackboneElement
                                                                                                                        Is Modifierfalse
                                                                                                                        Summarytrue
                                                                                                                        Requirements

                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                        618. Observation.component:External_BitesStings.modifierExtension
                                                                                                                        Definition

                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                        Comments

                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                        Control0..*
                                                                                                                        TypeExtension
                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                        Summarytrue
                                                                                                                        Requirements

                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                        620. Observation.component:External_BitesStings.code
                                                                                                                        Definition

                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                        ShortType of component observation (code / type)
                                                                                                                        Comments

                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                        Control1..1
                                                                                                                        BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                        Codes identifying names of simple observations.

                                                                                                                        TypeCodeableConcept
                                                                                                                        Is Modifierfalse
                                                                                                                        Summarytrue
                                                                                                                        Requirements

                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                        622. Observation.component:External_BitesStings.code.text
                                                                                                                        Definition

                                                                                                                        A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                        ShortPlain text representation of the concept
                                                                                                                        Comments

                                                                                                                        Very often the text is the same as a displayName of one of the codings.

                                                                                                                        Control0..1
                                                                                                                        Typestring
                                                                                                                        Is Modifierfalse
                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                        Summarytrue
                                                                                                                        Requirements

                                                                                                                        The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                        Pattern ValueBites/stings
                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                        624. Observation.component:External_BitesStings.value[x]
                                                                                                                        Definition

                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                        ShortActual component result
                                                                                                                        Comments

                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                        Control0..1
                                                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                        Is Modifierfalse
                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                        Summarytrue
                                                                                                                        Requirements

                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                        • type @ $this
                                                                                                                        • 626. Observation.component:External_BitesStings.value[x]:valueBoolean
                                                                                                                          Slice NamevalueBoolean
                                                                                                                          Definition

                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                          ShortActual component result
                                                                                                                          Comments

                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                          Control0..1
                                                                                                                          Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                          Is Modifierfalse
                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                          Summarytrue
                                                                                                                          Requirements

                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                          628. Observation.component:External_BitesStings_Specify
                                                                                                                          Slice NameExternal_BitesStings_Specify
                                                                                                                          Definition

                                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                          ShortComponent results
                                                                                                                          Comments

                                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                          Control0..*
                                                                                                                          TypeBackboneElement
                                                                                                                          Is Modifierfalse
                                                                                                                          Summarytrue
                                                                                                                          Requirements

                                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                          630. Observation.component:External_BitesStings_Specify.modifierExtension
                                                                                                                          Definition

                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                          Comments

                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                          Control0..*
                                                                                                                          TypeExtension
                                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                          Summarytrue
                                                                                                                          Requirements

                                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                          632. Observation.component:External_BitesStings_Specify.code
                                                                                                                          Definition

                                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                          ShortType of component observation (code / type)
                                                                                                                          Comments

                                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                          Control1..1
                                                                                                                          BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                          Codes identifying names of simple observations.

                                                                                                                          TypeCodeableConcept
                                                                                                                          Is Modifierfalse
                                                                                                                          Summarytrue
                                                                                                                          Requirements

                                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                          634. Observation.component:External_BitesStings_Specify.code.text
                                                                                                                          Definition

                                                                                                                          A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                          ShortPlain text representation of the concept
                                                                                                                          Comments

                                                                                                                          Very often the text is the same as a displayName of one of the codings.

                                                                                                                          Control0..1
                                                                                                                          Typestring
                                                                                                                          Is Modifierfalse
                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                          Summarytrue
                                                                                                                          Requirements

                                                                                                                          The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                          Pattern ValueSpecify animal/insect
                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                          636. Observation.component:External_BitesStings_Specify.value[x]
                                                                                                                          Definition

                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                          ShortActual component result
                                                                                                                          Comments

                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                          Control0..1
                                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                          Is Modifierfalse
                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                          Summarytrue
                                                                                                                          Requirements

                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                          • type @ $this
                                                                                                                          • 638. Observation.component:External_BitesStings_Specify.value[x]:valueCodeableConcept
                                                                                                                            Slice NamevalueCodeableConcept
                                                                                                                            Definition

                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                            ShortActual component result
                                                                                                                            Comments

                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                            Control0..1
                                                                                                                            TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                            Is Modifierfalse
                                                                                                                            Summarytrue
                                                                                                                            Requirements

                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                            640. Observation.component:External_Burns
                                                                                                                            Slice NameExternal_Burns
                                                                                                                            Definition

                                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                            ShortComponent results
                                                                                                                            Comments

                                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                            Control0..1*
                                                                                                                            TypeBackboneElement
                                                                                                                            Is Modifierfalse
                                                                                                                            Summarytrue
                                                                                                                            Requirements

                                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                            642. Observation.component:External_Burns.modifierExtension
                                                                                                                            Definition

                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                            Comments

                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                            Control0..*
                                                                                                                            TypeExtension
                                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                            Summarytrue
                                                                                                                            Requirements

                                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                            644. Observation.component:External_Burns.code
                                                                                                                            Definition

                                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                            ShortType of component observation (code / type)
                                                                                                                            Comments

                                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                            Control1..1
                                                                                                                            BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                            Codes identifying names of simple observations.

                                                                                                                            TypeCodeableConcept
                                                                                                                            Is Modifierfalse
                                                                                                                            Summarytrue
                                                                                                                            Requirements

                                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                            Pattern Value{
                                                                                                                              "coding" : [{
                                                                                                                                "system" : "http://snomed.info/sct",
                                                                                                                                "code" : "125666000",
                                                                                                                                "display" : "Burn (disorder)"
                                                                                                                              }]
                                                                                                                            }
                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                            646. Observation.component:External_Burns.value[x]
                                                                                                                            Definition

                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                            ShortActual component result
                                                                                                                            Comments

                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                            Control0..1
                                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                            Is Modifierfalse
                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                            Summarytrue
                                                                                                                            Requirements

                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                            • type @ $this
                                                                                                                            • 648. Observation.component:External_Burns.value[x]:valueBoolean
                                                                                                                              Slice NamevalueBoolean
                                                                                                                              Definition

                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                              ShortActual component result
                                                                                                                              Comments

                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                              Control0..1
                                                                                                                              Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                              Is Modifierfalse
                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                              Summarytrue
                                                                                                                              Requirements

                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                              650. Observation.component:External_Burns_Specify
                                                                                                                              Slice NameExternal_Burns_Specify
                                                                                                                              Definition

                                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                              ShortComponent results
                                                                                                                              Comments

                                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                              Control0..*
                                                                                                                              TypeBackboneElement
                                                                                                                              Is Modifierfalse
                                                                                                                              Summarytrue
                                                                                                                              Requirements

                                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                              652. Observation.component:External_Burns_Specify.modifierExtension
                                                                                                                              Definition

                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                              Comments

                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                              Control0..*
                                                                                                                              TypeExtension
                                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                              Summarytrue
                                                                                                                              Requirements

                                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                              654. Observation.component:External_Burns_Specify.code
                                                                                                                              Definition

                                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                              ShortType of component observation (code / type)
                                                                                                                              Comments

                                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                              Control1..1
                                                                                                                              BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                              Codes identifying names of simple observations.

                                                                                                                              TypeCodeableConcept
                                                                                                                              Is Modifierfalse
                                                                                                                              Summarytrue
                                                                                                                              Requirements

                                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                              Pattern Value{
                                                                                                                                "coding" : [{
                                                                                                                                  "system" : "http://snomed.info/sct",
                                                                                                                                  "code" : "88999006",
                                                                                                                                  "display" : "Heat (physical force)"
                                                                                                                                }]
                                                                                                                              }
                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                              656. Observation.component:External_Burns_Specify.value[x]
                                                                                                                              Definition

                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                              ShortActual component result
                                                                                                                              Comments

                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                              Control0..1
                                                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                              Is Modifierfalse
                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                              Summarytrue
                                                                                                                              Requirements

                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                              • type @ $this
                                                                                                                              • 658. Observation.component:External_Burns_Specify.value[x]:valueCodeableConcept
                                                                                                                                Slice NamevalueCodeableConcept
                                                                                                                                Definition

                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                ShortActual component result
                                                                                                                                Comments

                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                Control0..1
                                                                                                                                TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                Is Modifierfalse
                                                                                                                                Summarytrue
                                                                                                                                Requirements

                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                660. Observation.component:External_Burns_OtherText
                                                                                                                                Slice NameExternal_Burns_OtherText
                                                                                                                                Definition

                                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                ShortComponent results
                                                                                                                                Comments

                                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                Control0..*
                                                                                                                                TypeBackboneElement
                                                                                                                                Is Modifierfalse
                                                                                                                                Summarytrue
                                                                                                                                Requirements

                                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                662. Observation.component:External_Burns_OtherText.modifierExtension
                                                                                                                                Definition

                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                Comments

                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                Control0..*
                                                                                                                                TypeExtension
                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                Summarytrue
                                                                                                                                Requirements

                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                664. Observation.component:External_Burns_OtherText.code
                                                                                                                                Definition

                                                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                ShortType of component observation (code / type)
                                                                                                                                Comments

                                                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                Control1..1
                                                                                                                                BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                Codes identifying names of simple observations.

                                                                                                                                TypeCodeableConcept
                                                                                                                                Is Modifierfalse
                                                                                                                                Summarytrue
                                                                                                                                Requirements

                                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                666. Observation.component:External_Burns_OtherText.code.text
                                                                                                                                Definition

                                                                                                                                A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                ShortPlain text representation of the concept
                                                                                                                                Comments

                                                                                                                                Very often the text is the same as a displayName of one of the codings.

                                                                                                                                Control0..1
                                                                                                                                Typestring
                                                                                                                                Is Modifierfalse
                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                Summarytrue
                                                                                                                                Requirements

                                                                                                                                The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                Pattern ValueBurns - Others, specify
                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                668. Observation.component:External_Burns_OtherText.value[x]
                                                                                                                                Definition

                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                ShortActual component result
                                                                                                                                Comments

                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                Control0..1
                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                Is Modifierfalse
                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                Summarytrue
                                                                                                                                Requirements

                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                • type @ $this
                                                                                                                                • 670. Observation.component:External_Burns_OtherText.value[x]:valueString
                                                                                                                                  Slice NamevalueString
                                                                                                                                  Definition

                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                  ShortActual component result
                                                                                                                                  Comments

                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                  Control0..1
                                                                                                                                  Typestring, dateTime, boolean, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                  Is Modifierfalse
                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                  Summarytrue
                                                                                                                                  Requirements

                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                  672. Observation.component:External_Chemical
                                                                                                                                  Slice NameExternal_Chemical
                                                                                                                                  Definition

                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                  ShortComponent results
                                                                                                                                  Comments

                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                  Control0..1*
                                                                                                                                  TypeBackboneElement
                                                                                                                                  Is Modifierfalse
                                                                                                                                  Summarytrue
                                                                                                                                  Requirements

                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                  674. Observation.component:External_Chemical.modifierExtension
                                                                                                                                  Definition

                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                  Comments

                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                  Control0..*
                                                                                                                                  TypeExtension
                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                  Summarytrue
                                                                                                                                  Requirements

                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                  676. Observation.component:External_Chemical.code
                                                                                                                                  Definition

                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                  Comments

                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                  Control1..1
                                                                                                                                  BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                  TypeCodeableConcept
                                                                                                                                  Is Modifierfalse
                                                                                                                                  Summarytrue
                                                                                                                                  Requirements

                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                  678. Observation.component:External_Chemical.code.text
                                                                                                                                  Definition

                                                                                                                                  A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                  ShortPlain text representation of the concept
                                                                                                                                  Comments

                                                                                                                                  Very often the text is the same as a displayName of one of the codings.

                                                                                                                                  Control0..1
                                                                                                                                  Typestring
                                                                                                                                  Is Modifierfalse
                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                  Summarytrue
                                                                                                                                  Requirements

                                                                                                                                  The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                  Pattern ValueChemical/substance
                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                  680. Observation.component:External_Chemical.value[x]
                                                                                                                                  Definition

                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                  ShortActual component result
                                                                                                                                  Comments

                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                  Control0..1
                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                  Is Modifierfalse
                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                  Summarytrue
                                                                                                                                  Requirements

                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                  • type @ $this
                                                                                                                                  • 682. Observation.component:External_Chemical.value[x]:valueBoolean
                                                                                                                                    Slice NamevalueBoolean
                                                                                                                                    Definition

                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                    ShortActual component result
                                                                                                                                    Comments

                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                    Control0..1
                                                                                                                                    Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                    Is Modifierfalse
                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                    Summarytrue
                                                                                                                                    Requirements

                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                    684. Observation.component:External_Chemical_Specify
                                                                                                                                    Slice NameExternal_Chemical_Specify
                                                                                                                                    Definition

                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                    ShortComponent results
                                                                                                                                    Comments

                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                    Control0..*
                                                                                                                                    TypeBackboneElement
                                                                                                                                    Is Modifierfalse
                                                                                                                                    Summarytrue
                                                                                                                                    Requirements

                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                    686. Observation.component:External_Chemical_Specify.modifierExtension
                                                                                                                                    Definition

                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                    Comments

                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                    Control0..*
                                                                                                                                    TypeExtension
                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                    Summarytrue
                                                                                                                                    Requirements

                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                    688. Observation.component:External_Chemical_Specify.code
                                                                                                                                    Definition

                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                    Comments

                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                    Control1..1
                                                                                                                                    BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                    TypeCodeableConcept
                                                                                                                                    Is Modifierfalse
                                                                                                                                    Summarytrue
                                                                                                                                    Requirements

                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                    690. Observation.component:External_Chemical_Specify.code.text
                                                                                                                                    Definition

                                                                                                                                    A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                    ShortPlain text representation of the concept
                                                                                                                                    Comments

                                                                                                                                    Very often the text is the same as a displayName of one of the codings.

                                                                                                                                    Control0..1
                                                                                                                                    Typestring
                                                                                                                                    Is Modifierfalse
                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                    Summarytrue
                                                                                                                                    Requirements

                                                                                                                                    The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                    Pattern ValueChemical/substance, specify
                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                    692. Observation.component:External_Chemical_Specify.value[x]
                                                                                                                                    Definition

                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                    ShortActual component result
                                                                                                                                    Comments

                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                    Control0..1
                                                                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                    Is Modifierfalse
                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                    Summarytrue
                                                                                                                                    Requirements

                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                    • type @ $this
                                                                                                                                    • 694. Observation.component:External_Chemical_Specify.value[x]:valueCodeableConcept
                                                                                                                                      Slice NamevalueCodeableConcept
                                                                                                                                      Definition

                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                      ShortActual component result
                                                                                                                                      Comments

                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                      Control0..1
                                                                                                                                      TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                      Is Modifierfalse
                                                                                                                                      Summarytrue
                                                                                                                                      Requirements

                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                      696. Observation.component:External_ContactSharp
                                                                                                                                      Slice NameExternal_ContactSharp
                                                                                                                                      Definition

                                                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                      ShortComponent results
                                                                                                                                      Comments

                                                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                      Control0..1*
                                                                                                                                      TypeBackboneElement
                                                                                                                                      Is Modifierfalse
                                                                                                                                      Summarytrue
                                                                                                                                      Requirements

                                                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                      698. Observation.component:External_ContactSharp.modifierExtension
                                                                                                                                      Definition

                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                      Comments

                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                      Control0..*
                                                                                                                                      TypeExtension
                                                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                      Summarytrue
                                                                                                                                      Requirements

                                                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                      700. Observation.component:External_ContactSharp.code
                                                                                                                                      Definition

                                                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                      ShortType of component observation (code / type)
                                                                                                                                      Comments

                                                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                      Control1..1
                                                                                                                                      BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                      Codes identifying names of simple observations.

                                                                                                                                      TypeCodeableConcept
                                                                                                                                      Is Modifierfalse
                                                                                                                                      Summarytrue
                                                                                                                                      Requirements

                                                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                      702. Observation.component:External_ContactSharp.code.text
                                                                                                                                      Definition

                                                                                                                                      A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                      ShortPlain text representation of the concept
                                                                                                                                      Comments

                                                                                                                                      Very often the text is the same as a displayName of one of the codings.

                                                                                                                                      Control0..1
                                                                                                                                      Typestring
                                                                                                                                      Is Modifierfalse
                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                      Summarytrue
                                                                                                                                      Requirements

                                                                                                                                      The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                      Pattern ValueContact with sharp objects
                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                      704. Observation.component:External_ContactSharp.value[x]
                                                                                                                                      Definition

                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                      ShortActual component result
                                                                                                                                      Comments

                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                      Control0..1
                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                      Is Modifierfalse
                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                      Summarytrue
                                                                                                                                      Requirements

                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                      • type @ $this
                                                                                                                                      • 706. Observation.component:External_ContactSharp.value[x]:valueBoolean
                                                                                                                                        Slice NamevalueBoolean
                                                                                                                                        Definition

                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                        ShortActual component result
                                                                                                                                        Comments

                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                        Control0..1
                                                                                                                                        Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                        Is Modifierfalse
                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                        Summarytrue
                                                                                                                                        Requirements

                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                        708. Observation.component:External_ContactSharp_Specify
                                                                                                                                        Slice NameExternal_ContactSharp_Specify
                                                                                                                                        Definition

                                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                        ShortComponent results
                                                                                                                                        Comments

                                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                        Control0..*
                                                                                                                                        TypeBackboneElement
                                                                                                                                        Is Modifierfalse
                                                                                                                                        Summarytrue
                                                                                                                                        Requirements

                                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                        710. Observation.component:External_ContactSharp_Specify.modifierExtension
                                                                                                                                        Definition

                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                        Comments

                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                        Control0..*
                                                                                                                                        TypeExtension
                                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                        Summarytrue
                                                                                                                                        Requirements

                                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                        712. Observation.component:External_ContactSharp_Specify.code
                                                                                                                                        Definition

                                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                        ShortType of component observation (code / type)
                                                                                                                                        Comments

                                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                        Control1..1
                                                                                                                                        BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                        Codes identifying names of simple observations.

                                                                                                                                        TypeCodeableConcept
                                                                                                                                        Is Modifierfalse
                                                                                                                                        Summarytrue
                                                                                                                                        Requirements

                                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                        714. Observation.component:External_ContactSharp_Specify.code.text
                                                                                                                                        Definition

                                                                                                                                        A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                        ShortPlain text representation of the concept
                                                                                                                                        Comments

                                                                                                                                        Very often the text is the same as a displayName of one of the codings.

                                                                                                                                        Control0..1
                                                                                                                                        Typestring
                                                                                                                                        Is Modifierfalse
                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                        Summarytrue
                                                                                                                                        Requirements

                                                                                                                                        The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                        Pattern ValueContact with sharp objects, specify
                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                        716. Observation.component:External_ContactSharp_Specify.value[x]
                                                                                                                                        Definition

                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                        ShortActual component result
                                                                                                                                        Comments

                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                        Control0..1
                                                                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                        Is Modifierfalse
                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                        Summarytrue
                                                                                                                                        Requirements

                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                        • type @ $this
                                                                                                                                        • 718. Observation.component:External_ContactSharp_Specify.value[x]:valueCodeableConcept
                                                                                                                                          Slice NamevalueCodeableConcept
                                                                                                                                          Definition

                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                          ShortActual component result
                                                                                                                                          Comments

                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                          Control0..1
                                                                                                                                          TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                          Is Modifierfalse
                                                                                                                                          Summarytrue
                                                                                                                                          Requirements

                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                          720. Observation.component:External_Drowning
                                                                                                                                          Slice NameExternal_Drowning
                                                                                                                                          Definition

                                                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                          ShortComponent results
                                                                                                                                          Comments

                                                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                          Control0..1*
                                                                                                                                          TypeBackboneElement
                                                                                                                                          Is Modifierfalse
                                                                                                                                          Summarytrue
                                                                                                                                          Requirements

                                                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                          722. Observation.component:External_Drowning.modifierExtension
                                                                                                                                          Definition

                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                          Comments

                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                          Control0..*
                                                                                                                                          TypeExtension
                                                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                          Summarytrue
                                                                                                                                          Requirements

                                                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                          724. Observation.component:External_Drowning.code
                                                                                                                                          Definition

                                                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                          ShortType of component observation (code / type)
                                                                                                                                          Comments

                                                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                          Control1..1
                                                                                                                                          BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                          Codes identifying names of simple observations.

                                                                                                                                          TypeCodeableConcept
                                                                                                                                          Is Modifierfalse
                                                                                                                                          Summarytrue
                                                                                                                                          Requirements

                                                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                          Pattern Value{
                                                                                                                                            "coding" : [{
                                                                                                                                              "system" : "http://snomed.info/sct",
                                                                                                                                              "code" : "40947009",
                                                                                                                                              "display" : "Drowning (event)"
                                                                                                                                            }]
                                                                                                                                          }
                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                          726. Observation.component:External_Drowning.value[x]
                                                                                                                                          Definition

                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                          ShortActual component result
                                                                                                                                          Comments

                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                          Control0..1
                                                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                          Is Modifierfalse
                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                          Summarytrue
                                                                                                                                          Requirements

                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                          • type @ $this
                                                                                                                                          • 728. Observation.component:External_Drowning.value[x]:valueBoolean
                                                                                                                                            Slice NamevalueBoolean
                                                                                                                                            Definition

                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                            ShortActual component result
                                                                                                                                            Comments

                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                            Control0..1
                                                                                                                                            Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                            Is Modifierfalse
                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                            Summarytrue
                                                                                                                                            Requirements

                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                            730. Observation.component:External_Drowning_Type
                                                                                                                                            Slice NameExternal_Drowning_Type
                                                                                                                                            Definition

                                                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                            ShortComponent results
                                                                                                                                            Comments

                                                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                            Control0..*
                                                                                                                                            TypeBackboneElement
                                                                                                                                            Is Modifierfalse
                                                                                                                                            Summarytrue
                                                                                                                                            Requirements

                                                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                            732. Observation.component:External_Drowning_Type.modifierExtension
                                                                                                                                            Definition

                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                            Comments

                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                            Control0..*
                                                                                                                                            TypeExtension
                                                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                            Summarytrue
                                                                                                                                            Requirements

                                                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                            734. Observation.component:External_Drowning_Type.code
                                                                                                                                            Definition

                                                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                            ShortType of component observation (code / type)
                                                                                                                                            Comments

                                                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                            Control1..1
                                                                                                                                            BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                            Codes identifying names of simple observations.

                                                                                                                                            TypeCodeableConcept
                                                                                                                                            Is Modifierfalse
                                                                                                                                            Summarytrue
                                                                                                                                            Requirements

                                                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                            Pattern Value{
                                                                                                                                              "coding" : [{
                                                                                                                                                "system" : "http://snomed.info/sct",
                                                                                                                                                "code" : "225742004",
                                                                                                                                                "display" : "Sea (environment)"
                                                                                                                                              }]
                                                                                                                                            }
                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                            736. Observation.component:External_Drowning_Type.value[x]
                                                                                                                                            Definition

                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                            ShortActual component result
                                                                                                                                            Comments

                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                            Control0..1
                                                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                            Is Modifierfalse
                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                            Summarytrue
                                                                                                                                            Requirements

                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                            • type @ $this
                                                                                                                                            • 738. Observation.component:External_Drowning_Type.value[x]:valueCodeableConcept
                                                                                                                                              Slice NamevalueCodeableConcept
                                                                                                                                              Definition

                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                              ShortActual component result
                                                                                                                                              Comments

                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                              Control0..1
                                                                                                                                              TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                              Is Modifierfalse
                                                                                                                                              Summarytrue
                                                                                                                                              Requirements

                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                              740. Observation.component:External_Drowning_OtherText
                                                                                                                                              Slice NameExternal_Drowning_OtherText
                                                                                                                                              Definition

                                                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                              ShortComponent results
                                                                                                                                              Comments

                                                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                              Control0..*
                                                                                                                                              TypeBackboneElement
                                                                                                                                              Is Modifierfalse
                                                                                                                                              Summarytrue
                                                                                                                                              Requirements

                                                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                              742. Observation.component:External_Drowning_OtherText.modifierExtension
                                                                                                                                              Definition

                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                              Comments

                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                              Control0..*
                                                                                                                                              TypeExtension
                                                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                              Summarytrue
                                                                                                                                              Requirements

                                                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                              744. Observation.component:External_Drowning_OtherText.code
                                                                                                                                              Definition

                                                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                              ShortType of component observation (code / type)
                                                                                                                                              Comments

                                                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                              Control1..1
                                                                                                                                              BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                              Codes identifying names of simple observations.

                                                                                                                                              TypeCodeableConcept
                                                                                                                                              Is Modifierfalse
                                                                                                                                              Summarytrue
                                                                                                                                              Requirements

                                                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                              746. Observation.component:External_Drowning_OtherText.code.text
                                                                                                                                              Definition

                                                                                                                                              A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                              ShortPlain text representation of the concept
                                                                                                                                              Comments

                                                                                                                                              Very often the text is the same as a displayName of one of the codings.

                                                                                                                                              Control0..1
                                                                                                                                              Typestring
                                                                                                                                              Is Modifierfalse
                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                              Summarytrue
                                                                                                                                              Requirements

                                                                                                                                              The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                              Pattern ValueDrowning - Others, specify
                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                              748. Observation.component:External_Drowning_OtherText.value[x]
                                                                                                                                              Definition

                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                              ShortActual component result
                                                                                                                                              Comments

                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                              Control0..1
                                                                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                              Is Modifierfalse
                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                              Summarytrue
                                                                                                                                              Requirements

                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                              • type @ $this
                                                                                                                                              • 750. Observation.component:External_Drowning_OtherText.value[x]:valueString
                                                                                                                                                Slice NamevalueString
                                                                                                                                                Definition

                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                ShortActual component result
                                                                                                                                                Comments

                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                Control0..1
                                                                                                                                                Typestring, dateTime, boolean, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                Is Modifierfalse
                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                Summarytrue
                                                                                                                                                Requirements

                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                752. Observation.component:External_ExposureForces
                                                                                                                                                Slice NameExternal_ExposureForces
                                                                                                                                                Definition

                                                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                ShortComponent results
                                                                                                                                                Comments

                                                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                Control0..1*
                                                                                                                                                TypeBackboneElement
                                                                                                                                                Is Modifierfalse
                                                                                                                                                Summarytrue
                                                                                                                                                Requirements

                                                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                754. Observation.component:External_ExposureForces.modifierExtension
                                                                                                                                                Definition

                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                Comments

                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                Control0..*
                                                                                                                                                TypeExtension
                                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                Summarytrue
                                                                                                                                                Requirements

                                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                756. Observation.component:External_ExposureForces.code
                                                                                                                                                Definition

                                                                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                ShortType of component observation (code / type)
                                                                                                                                                Comments

                                                                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                Control1..1
                                                                                                                                                BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                Codes identifying names of simple observations.

                                                                                                                                                TypeCodeableConcept
                                                                                                                                                Is Modifierfalse
                                                                                                                                                Summarytrue
                                                                                                                                                Requirements

                                                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                758. Observation.component:External_ExposureForces.code.text
                                                                                                                                                Definition

                                                                                                                                                A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                ShortPlain text representation of the concept
                                                                                                                                                Comments

                                                                                                                                                Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                Control0..1
                                                                                                                                                Typestring
                                                                                                                                                Is Modifierfalse
                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                Summarytrue
                                                                                                                                                Requirements

                                                                                                                                                The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                Pattern ValueExposure to forces of nature
                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                760. Observation.component:External_ExposureForces.value[x]
                                                                                                                                                Definition

                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                ShortActual component result
                                                                                                                                                Comments

                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                Control0..1
                                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                Is Modifierfalse
                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                Summarytrue
                                                                                                                                                Requirements

                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                • type @ $this
                                                                                                                                                • 762. Observation.component:External_ExposureForces.value[x]:valueBoolean
                                                                                                                                                  Slice NamevalueBoolean
                                                                                                                                                  Definition

                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                  ShortActual component result
                                                                                                                                                  Comments

                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                  Control0..1
                                                                                                                                                  Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                  Is Modifierfalse
                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                  Summarytrue
                                                                                                                                                  Requirements

                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                  764. Observation.component:External_ExposureForces.value[x]:valueCodeableConcept
                                                                                                                                                  Slice NamevalueCodeableConcept
                                                                                                                                                  Definition

                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                  ShortActual component result
                                                                                                                                                  Comments

                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                  Control0..1
                                                                                                                                                  BindingThe codes SHOULD be taken from For codes, see External Cause ValueSet (example)
                                                                                                                                                  (preferred to https://build.fhir.org/ig/UPM-NTHC/PH-RoadSafetyIG/ValueSet/external-cause-vs)
                                                                                                                                                  TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                  Is Modifierfalse
                                                                                                                                                  Summarytrue
                                                                                                                                                  Requirements

                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                  766. Observation.component:External_Fall
                                                                                                                                                  Slice NameExternal_Fall
                                                                                                                                                  Definition

                                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                  ShortComponent results
                                                                                                                                                  Comments

                                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                  Control0..1*
                                                                                                                                                  TypeBackboneElement
                                                                                                                                                  Is Modifierfalse
                                                                                                                                                  Summarytrue
                                                                                                                                                  Requirements

                                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                  768. Observation.component:External_Fall.modifierExtension
                                                                                                                                                  Definition

                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                  Comments

                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                  Control0..*
                                                                                                                                                  TypeExtension
                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                  Summarytrue
                                                                                                                                                  Requirements

                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                  770. Observation.component:External_Fall.code
                                                                                                                                                  Definition

                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                  Comments

                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                  Control1..1
                                                                                                                                                  BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                  Is Modifierfalse
                                                                                                                                                  Summarytrue
                                                                                                                                                  Requirements

                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                  Pattern Value{
                                                                                                                                                    "coding" : [{
                                                                                                                                                      "system" : "http://snomed.info/sct",
                                                                                                                                                      "code" : "1912002",
                                                                                                                                                      "display" : "Fall (event)"
                                                                                                                                                    }]
                                                                                                                                                  }
                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                  772. Observation.component:External_Fall.value[x]
                                                                                                                                                  Definition

                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                  ShortActual component result
                                                                                                                                                  Comments

                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                  Control0..1
                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                  Is Modifierfalse
                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                  Summarytrue
                                                                                                                                                  Requirements

                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                  • type @ $this
                                                                                                                                                  • 774. Observation.component:External_Fall.value[x]:valueBoolean
                                                                                                                                                    Slice NamevalueBoolean
                                                                                                                                                    Definition

                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                    ShortActual component result
                                                                                                                                                    Comments

                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                    Control0..1
                                                                                                                                                    Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                    Is Modifierfalse
                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                    Summarytrue
                                                                                                                                                    Requirements

                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                    776. Observation.component:External_Fall_Specify
                                                                                                                                                    Slice NameExternal_Fall_Specify
                                                                                                                                                    Definition

                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                    ShortComponent results
                                                                                                                                                    Comments

                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                    Control0..*
                                                                                                                                                    TypeBackboneElement
                                                                                                                                                    Is Modifierfalse
                                                                                                                                                    Summarytrue
                                                                                                                                                    Requirements

                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                    778. Observation.component:External_Fall_Specify.modifierExtension
                                                                                                                                                    Definition

                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                    Comments

                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                    Control0..*
                                                                                                                                                    TypeExtension
                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                    Summarytrue
                                                                                                                                                    Requirements

                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                    780. Observation.component:External_Fall_Specify.code
                                                                                                                                                    Definition

                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                    Comments

                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                    Control1..1
                                                                                                                                                    BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                    Is Modifierfalse
                                                                                                                                                    Summarytrue
                                                                                                                                                    Requirements

                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                    782. Observation.component:External_Fall_Specify.code.text
                                                                                                                                                    Definition

                                                                                                                                                    A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                    ShortPlain text representation of the concept
                                                                                                                                                    Comments

                                                                                                                                                    Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                    Control0..1
                                                                                                                                                    Typestring
                                                                                                                                                    Is Modifierfalse
                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                    Summarytrue
                                                                                                                                                    Requirements

                                                                                                                                                    The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                    Pattern ValueFall - specify location/type
                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                    784. Observation.component:External_Fall_Specify.value[x]
                                                                                                                                                    Definition

                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                    ShortActual component result
                                                                                                                                                    Comments

                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                    Control0..1
                                                                                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                    Is Modifierfalse
                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                    Summarytrue
                                                                                                                                                    Requirements

                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                    • type @ $this
                                                                                                                                                    • 786. Observation.component:External_Fall_Specify.value[x]:valueCodeableConcept
                                                                                                                                                      Slice NamevalueCodeableConcept
                                                                                                                                                      Definition

                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                      ShortActual component result
                                                                                                                                                      Comments

                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                      Control0..1
                                                                                                                                                      TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                      Is Modifierfalse
                                                                                                                                                      Summarytrue
                                                                                                                                                      Requirements

                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                      788. Observation.component:External_Firecracker
                                                                                                                                                      Slice NameExternal_Firecracker
                                                                                                                                                      Definition

                                                                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                      ShortComponent results
                                                                                                                                                      Comments

                                                                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                      Control0..1*
                                                                                                                                                      TypeBackboneElement
                                                                                                                                                      Is Modifierfalse
                                                                                                                                                      Summarytrue
                                                                                                                                                      Requirements

                                                                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                      790. Observation.component:External_Firecracker.modifierExtension
                                                                                                                                                      Definition

                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                      Comments

                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                      Control0..*
                                                                                                                                                      TypeExtension
                                                                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                      Summarytrue
                                                                                                                                                      Requirements

                                                                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                      792. Observation.component:External_Firecracker.code
                                                                                                                                                      Definition

                                                                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                      ShortType of component observation (code / type)
                                                                                                                                                      Comments

                                                                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                      Control1..1
                                                                                                                                                      BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                      Codes identifying names of simple observations.

                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                      Is Modifierfalse
                                                                                                                                                      Summarytrue
                                                                                                                                                      Requirements

                                                                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                      794. Observation.component:External_Firecracker.code.text
                                                                                                                                                      Definition

                                                                                                                                                      A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                      ShortPlain text representation of the concept
                                                                                                                                                      Comments

                                                                                                                                                      Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                      Control0..1
                                                                                                                                                      Typestring
                                                                                                                                                      Is Modifierfalse
                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                      Summarytrue
                                                                                                                                                      Requirements

                                                                                                                                                      The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                      Pattern ValueFirecracker
                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                      796. Observation.component:External_Firecracker.value[x]
                                                                                                                                                      Definition

                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                      ShortActual component result
                                                                                                                                                      Comments

                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                      Control0..1
                                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                      Is Modifierfalse
                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                      Summarytrue
                                                                                                                                                      Requirements

                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                      • type @ $this
                                                                                                                                                      • 798. Observation.component:External_Firecracker.value[x]:valueBoolean
                                                                                                                                                        Slice NamevalueBoolean
                                                                                                                                                        Definition

                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                        ShortActual component result
                                                                                                                                                        Comments

                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                        Control0..1
                                                                                                                                                        Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                        Is Modifierfalse
                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                        Summarytrue
                                                                                                                                                        Requirements

                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                        800. Observation.component:External_Firecracker_Specify
                                                                                                                                                        Slice NameExternal_Firecracker_Specify
                                                                                                                                                        Definition

                                                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                        ShortComponent results
                                                                                                                                                        Comments

                                                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                        Control0..*
                                                                                                                                                        TypeBackboneElement
                                                                                                                                                        Is Modifierfalse
                                                                                                                                                        Summarytrue
                                                                                                                                                        Requirements

                                                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                        802. Observation.component:External_Firecracker_Specify.modifierExtension
                                                                                                                                                        Definition

                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                        Comments

                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                        Control0..*
                                                                                                                                                        TypeExtension
                                                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                        Summarytrue
                                                                                                                                                        Requirements

                                                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                        804. Observation.component:External_Firecracker_Specify.code
                                                                                                                                                        Definition

                                                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                        ShortType of component observation (code / type)
                                                                                                                                                        Comments

                                                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                        Control1..1
                                                                                                                                                        BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                        Codes identifying names of simple observations.

                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                        Is Modifierfalse
                                                                                                                                                        Summarytrue
                                                                                                                                                        Requirements

                                                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                        806. Observation.component:External_Firecracker_Specify.code.text
                                                                                                                                                        Definition

                                                                                                                                                        A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                        ShortPlain text representation of the concept
                                                                                                                                                        Comments

                                                                                                                                                        Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                        Control0..1
                                                                                                                                                        Typestring
                                                                                                                                                        Is Modifierfalse
                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                        Summarytrue
                                                                                                                                                        Requirements

                                                                                                                                                        The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                        Pattern ValueFirecracker - specify
                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                        808. Observation.component:External_Firecracker_Specify.value[x]
                                                                                                                                                        Definition

                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                        ShortActual component result
                                                                                                                                                        Comments

                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                        Control0..1
                                                                                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                        Is Modifierfalse
                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                        Summarytrue
                                                                                                                                                        Requirements

                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                        • type @ $this
                                                                                                                                                        • 810. Observation.component:External_Firecracker_Specify.value[x]:valueCodeableConcept
                                                                                                                                                          Slice NamevalueCodeableConcept
                                                                                                                                                          Definition

                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                          ShortActual component result
                                                                                                                                                          Comments

                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                          Control0..1
                                                                                                                                                          TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                          Is Modifierfalse
                                                                                                                                                          Summarytrue
                                                                                                                                                          Requirements

                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                          812. Observation.component:External_Gunshot
                                                                                                                                                          Slice NameExternal_Gunshot
                                                                                                                                                          Definition

                                                                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                          ShortComponent results
                                                                                                                                                          Comments

                                                                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                          Control0..1*
                                                                                                                                                          TypeBackboneElement
                                                                                                                                                          Is Modifierfalse
                                                                                                                                                          Summarytrue
                                                                                                                                                          Requirements

                                                                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                          814. Observation.component:External_Gunshot.modifierExtension
                                                                                                                                                          Definition

                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                          Comments

                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                          Control0..*
                                                                                                                                                          TypeExtension
                                                                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                          Summarytrue
                                                                                                                                                          Requirements

                                                                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                          816. Observation.component:External_Gunshot.code
                                                                                                                                                          Definition

                                                                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                          ShortType of component observation (code / type)
                                                                                                                                                          Comments

                                                                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                          Control1..1
                                                                                                                                                          BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                          Codes identifying names of simple observations.

                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                          Is Modifierfalse
                                                                                                                                                          Summarytrue
                                                                                                                                                          Requirements

                                                                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                          818. Observation.component:External_Gunshot.code.text
                                                                                                                                                          Definition

                                                                                                                                                          A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                          ShortPlain text representation of the concept
                                                                                                                                                          Comments

                                                                                                                                                          Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                          Control0..1
                                                                                                                                                          Typestring
                                                                                                                                                          Is Modifierfalse
                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                          Summarytrue
                                                                                                                                                          Requirements

                                                                                                                                                          The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                          Pattern ValueGunshot
                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                          820. Observation.component:External_Gunshot.value[x]
                                                                                                                                                          Definition

                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                          ShortActual component result
                                                                                                                                                          Comments

                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                          Control0..1
                                                                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                          Is Modifierfalse
                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                          Summarytrue
                                                                                                                                                          Requirements

                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                          • type @ $this
                                                                                                                                                          • 822. Observation.component:External_Gunshot.value[x]:valueBoolean
                                                                                                                                                            Slice NamevalueBoolean
                                                                                                                                                            Definition

                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                            ShortActual component result
                                                                                                                                                            Comments

                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                            Control0..1
                                                                                                                                                            Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                            Is Modifierfalse
                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                            Summarytrue
                                                                                                                                                            Requirements

                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                            824. Observation.component:External_Gunshot_Specify
                                                                                                                                                            Slice NameExternal_Gunshot_Specify
                                                                                                                                                            Definition

                                                                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                            ShortComponent results
                                                                                                                                                            Comments

                                                                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                            Control0..*
                                                                                                                                                            TypeBackboneElement
                                                                                                                                                            Is Modifierfalse
                                                                                                                                                            Summarytrue
                                                                                                                                                            Requirements

                                                                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                            826. Observation.component:External_Gunshot_Specify.modifierExtension
                                                                                                                                                            Definition

                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                            Comments

                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                            Control0..*
                                                                                                                                                            TypeExtension
                                                                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                            Summarytrue
                                                                                                                                                            Requirements

                                                                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                            828. Observation.component:External_Gunshot_Specify.code
                                                                                                                                                            Definition

                                                                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                            ShortType of component observation (code / type)
                                                                                                                                                            Comments

                                                                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                            Control1..1
                                                                                                                                                            BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                            Codes identifying names of simple observations.

                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                            Is Modifierfalse
                                                                                                                                                            Summarytrue
                                                                                                                                                            Requirements

                                                                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                            830. Observation.component:External_Gunshot_Specify.code.text
                                                                                                                                                            Definition

                                                                                                                                                            A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                            ShortPlain text representation of the concept
                                                                                                                                                            Comments

                                                                                                                                                            Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                            Control0..1
                                                                                                                                                            Typestring
                                                                                                                                                            Is Modifierfalse
                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                            Summarytrue
                                                                                                                                                            Requirements

                                                                                                                                                            The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                            Pattern ValueGunshot - specify weapon
                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                            832. Observation.component:External_Gunshot_Specify.value[x]
                                                                                                                                                            Definition

                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                            ShortActual component result
                                                                                                                                                            Comments

                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                            Control0..1
                                                                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                            Is Modifierfalse
                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                            Summarytrue
                                                                                                                                                            Requirements

                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                            • type @ $this
                                                                                                                                                            • 834. Observation.component:External_Gunshot_Specify.value[x]:valueCodeableConcept
                                                                                                                                                              Slice NamevalueCodeableConcept
                                                                                                                                                              Definition

                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                              ShortActual component result
                                                                                                                                                              Comments

                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                              Control0..1
                                                                                                                                                              TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                              Is Modifierfalse
                                                                                                                                                              Summarytrue
                                                                                                                                                              Requirements

                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                              836. Observation.component:External_Hanging
                                                                                                                                                              Slice NameExternal_Hanging
                                                                                                                                                              Definition

                                                                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                              ShortComponent results
                                                                                                                                                              Comments

                                                                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                              Control0..1*
                                                                                                                                                              TypeBackboneElement
                                                                                                                                                              Is Modifierfalse
                                                                                                                                                              Summarytrue
                                                                                                                                                              Requirements

                                                                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                              838. Observation.component:External_Hanging.modifierExtension
                                                                                                                                                              Definition

                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                              Comments

                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                              Control0..*
                                                                                                                                                              TypeExtension
                                                                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                              Summarytrue
                                                                                                                                                              Requirements

                                                                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                              840. Observation.component:External_Hanging.code
                                                                                                                                                              Definition

                                                                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                              ShortType of component observation (code / type)
                                                                                                                                                              Comments

                                                                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                              Control1..1
                                                                                                                                                              BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                              Codes identifying names of simple observations.

                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                              Is Modifierfalse
                                                                                                                                                              Summarytrue
                                                                                                                                                              Requirements

                                                                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                              842. Observation.component:External_Hanging.code.text
                                                                                                                                                              Definition

                                                                                                                                                              A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                              ShortPlain text representation of the concept
                                                                                                                                                              Comments

                                                                                                                                                              Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                              Control0..1
                                                                                                                                                              Typestring
                                                                                                                                                              Is Modifierfalse
                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                              Summarytrue
                                                                                                                                                              Requirements

                                                                                                                                                              The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                              Pattern ValueHanging/Strangulation
                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                              844. Observation.component:External_Hanging.value[x]
                                                                                                                                                              Definition

                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                              ShortActual component result
                                                                                                                                                              Comments

                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                              Control0..1
                                                                                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                              Is Modifierfalse
                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                              Summarytrue
                                                                                                                                                              Requirements

                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                              • type @ $this
                                                                                                                                                              • 846. Observation.component:External_Hanging.value[x]:valueBoolean
                                                                                                                                                                Slice NamevalueBoolean
                                                                                                                                                                Definition

                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                ShortActual component result
                                                                                                                                                                Comments

                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                Control0..1
                                                                                                                                                                Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                Summarytrue
                                                                                                                                                                Requirements

                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                848. Observation.component:External_MaulingAssault
                                                                                                                                                                Slice NameExternal_MaulingAssault
                                                                                                                                                                Definition

                                                                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                ShortComponent results
                                                                                                                                                                Comments

                                                                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                Control0..1*
                                                                                                                                                                TypeBackboneElement
                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                Summarytrue
                                                                                                                                                                Requirements

                                                                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                850. Observation.component:External_MaulingAssault.modifierExtension
                                                                                                                                                                Definition

                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                Comments

                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                Control0..*
                                                                                                                                                                TypeExtension
                                                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                Summarytrue
                                                                                                                                                                Requirements

                                                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                852. Observation.component:External_MaulingAssault.code
                                                                                                                                                                Definition

                                                                                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                ShortType of component observation (code / type)
                                                                                                                                                                Comments

                                                                                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                Control1..1
                                                                                                                                                                BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                Codes identifying names of simple observations.

                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                Summarytrue
                                                                                                                                                                Requirements

                                                                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                854. Observation.component:External_MaulingAssault.code.text
                                                                                                                                                                Definition

                                                                                                                                                                A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                ShortPlain text representation of the concept
                                                                                                                                                                Comments

                                                                                                                                                                Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                Control0..1
                                                                                                                                                                Typestring
                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                Summarytrue
                                                                                                                                                                Requirements

                                                                                                                                                                The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                Pattern ValueMauling/Assault
                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                856. Observation.component:External_MaulingAssault.value[x]
                                                                                                                                                                Definition

                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                ShortActual component result
                                                                                                                                                                Comments

                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                Control0..1
                                                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                Summarytrue
                                                                                                                                                                Requirements

                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                • type @ $this
                                                                                                                                                                • 858. Observation.component:External_MaulingAssault.value[x]:valueBoolean
                                                                                                                                                                  Slice NamevalueBoolean
                                                                                                                                                                  Definition

                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                  ShortActual component result
                                                                                                                                                                  Comments

                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                  Control0..1
                                                                                                                                                                  Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                  Summarytrue
                                                                                                                                                                  Requirements

                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                  860. Observation.component:External_SexualAssault
                                                                                                                                                                  Slice NameExternal_SexualAssault
                                                                                                                                                                  Definition

                                                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                  ShortComponent results
                                                                                                                                                                  Comments

                                                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                  Control0..1*
                                                                                                                                                                  TypeBackboneElement
                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                  Summarytrue
                                                                                                                                                                  Requirements

                                                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                  862. Observation.component:External_SexualAssault.modifierExtension
                                                                                                                                                                  Definition

                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                  Comments

                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                  Control0..*
                                                                                                                                                                  TypeExtension
                                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                  Summarytrue
                                                                                                                                                                  Requirements

                                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                  864. Observation.component:External_SexualAssault.code
                                                                                                                                                                  Definition

                                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                                  Comments

                                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                  Control1..1
                                                                                                                                                                  BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                  Summarytrue
                                                                                                                                                                  Requirements

                                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                  866. Observation.component:External_SexualAssault.code.text
                                                                                                                                                                  Definition

                                                                                                                                                                  A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                  ShortPlain text representation of the concept
                                                                                                                                                                  Comments

                                                                                                                                                                  Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                  Control0..1
                                                                                                                                                                  Typestring
                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                  Summarytrue
                                                                                                                                                                  Requirements

                                                                                                                                                                  The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                  Pattern ValueSexual Assault/ Sexual Abuse/ Rape (Alleged)
                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                  868. Observation.component:External_SexualAssault.value[x]
                                                                                                                                                                  Definition

                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                  ShortActual component result
                                                                                                                                                                  Comments

                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                  Control0..1
                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                  Summarytrue
                                                                                                                                                                  Requirements

                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                  • type @ $this
                                                                                                                                                                  • 870. Observation.component:External_SexualAssault.value[x]:valueBoolean
                                                                                                                                                                    Slice NamevalueBoolean
                                                                                                                                                                    Definition

                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                    ShortActual component result
                                                                                                                                                                    Comments

                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                    Control0..1
                                                                                                                                                                    Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                    Summarytrue
                                                                                                                                                                    Requirements

                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                    872. Observation.component:External_TransportVehicularAccident
                                                                                                                                                                    Slice NameExternal_TransportVehicularAccident
                                                                                                                                                                    Definition

                                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                    ShortComponent results
                                                                                                                                                                    Comments

                                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                    Control10..1*
                                                                                                                                                                    TypeBackboneElement
                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                    Summarytrue
                                                                                                                                                                    Requirements

                                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                    874. Observation.component:External_TransportVehicularAccident.modifierExtension
                                                                                                                                                                    Definition

                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                    Comments

                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                    Control0..*
                                                                                                                                                                    TypeExtension
                                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                    Summarytrue
                                                                                                                                                                    Requirements

                                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                    876. Observation.component:External_TransportVehicularAccident.code
                                                                                                                                                                    Definition

                                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                                    Comments

                                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                    Control1..1
                                                                                                                                                                    BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                    Summarytrue
                                                                                                                                                                    Requirements

                                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                    Pattern Value{
                                                                                                                                                                      "coding" : [{
                                                                                                                                                                        "system" : "http://snomed.info/sct",
                                                                                                                                                                        "code" : "274215009",
                                                                                                                                                                        "display" : "Transport accident (event)"
                                                                                                                                                                      }]
                                                                                                                                                                    }
                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                    878. Observation.component:External_TransportVehicularAccident.value[x]
                                                                                                                                                                    Definition

                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                    ShortActual component result
                                                                                                                                                                    Comments

                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                    Control10..1
                                                                                                                                                                    Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                    Summarytrue
                                                                                                                                                                    Requirements

                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Closed, and can be differentiated using the following discriminators:
                                                                                                                                                                    • type @ $this
                                                                                                                                                                    • 880. Observation.component:External_TransportVehicularAccident.value[x]:valueBoolean
                                                                                                                                                                      Slice NamevalueBoolean
                                                                                                                                                                      Definition

                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                      ShortActual component result
                                                                                                                                                                      Comments

                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                      Control10..1
                                                                                                                                                                      Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                      Summarytrue
                                                                                                                                                                      Requirements

                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                      882. Observation.component:External_Others
                                                                                                                                                                      Slice NameExternal_Others
                                                                                                                                                                      Definition

                                                                                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                      ShortComponent results
                                                                                                                                                                      Comments

                                                                                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                      Control0..1*
                                                                                                                                                                      TypeBackboneElement
                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                      Summarytrue
                                                                                                                                                                      Requirements

                                                                                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                      884. Observation.component:External_Others.modifierExtension
                                                                                                                                                                      Definition

                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                      Comments

                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                      Control0..*
                                                                                                                                                                      TypeExtension
                                                                                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                      Summarytrue
                                                                                                                                                                      Requirements

                                                                                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                      886. Observation.component:External_Others.code
                                                                                                                                                                      Definition

                                                                                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                      ShortType of component observation (code / type)
                                                                                                                                                                      Comments

                                                                                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                      Control1..1
                                                                                                                                                                      BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                      Codes identifying names of simple observations.

                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                      Summarytrue
                                                                                                                                                                      Requirements

                                                                                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                      888. Observation.component:External_Others.code.text
                                                                                                                                                                      Definition

                                                                                                                                                                      A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                      ShortPlain text representation of the concept
                                                                                                                                                                      Comments

                                                                                                                                                                      Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                      Control0..1
                                                                                                                                                                      Typestring
                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                      Summarytrue
                                                                                                                                                                      Requirements

                                                                                                                                                                      The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                      Pattern ValueOthers (external cause)
                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                      890. Observation.component:External_Others.value[x]
                                                                                                                                                                      Definition

                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                      ShortActual component result
                                                                                                                                                                      Comments

                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                      Control0..1
                                                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                      Summarytrue
                                                                                                                                                                      Requirements

                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                      • type @ $this
                                                                                                                                                                      • 892. Observation.component:External_Others.value[x]:valueBoolean
                                                                                                                                                                        Slice NamevalueBoolean
                                                                                                                                                                        Definition

                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                        ShortActual component result
                                                                                                                                                                        Comments

                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                        Control0..1
                                                                                                                                                                        Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                        Summarytrue
                                                                                                                                                                        Requirements

                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                        894. Observation.component:External_Others_Specify
                                                                                                                                                                        Slice NameExternal_Others_Specify
                                                                                                                                                                        Definition

                                                                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                        ShortComponent results
                                                                                                                                                                        Comments

                                                                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                        Control0..*
                                                                                                                                                                        TypeBackboneElement
                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                        Summarytrue
                                                                                                                                                                        Requirements

                                                                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                        896. Observation.component:External_Others_Specify.modifierExtension
                                                                                                                                                                        Definition

                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                        Comments

                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                        Control0..*
                                                                                                                                                                        TypeExtension
                                                                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                        Summarytrue
                                                                                                                                                                        Requirements

                                                                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                        898. Observation.component:External_Others_Specify.code
                                                                                                                                                                        Definition

                                                                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                        ShortType of component observation (code / type)
                                                                                                                                                                        Comments

                                                                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                        Control1..1
                                                                                                                                                                        BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                        Codes identifying names of simple observations.

                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                        Summarytrue
                                                                                                                                                                        Requirements

                                                                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                        900. Observation.component:External_Others_Specify.code.text
                                                                                                                                                                        Definition

                                                                                                                                                                        A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                        ShortPlain text representation of the concept
                                                                                                                                                                        Comments

                                                                                                                                                                        Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                        Control0..1
                                                                                                                                                                        Typestring
                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                        Summarytrue
                                                                                                                                                                        Requirements

                                                                                                                                                                        The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                        Pattern ValueOthers, specify
                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                        902. Observation.component:External_Others_Specify.value[x]
                                                                                                                                                                        Definition

                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                        ShortActual component result
                                                                                                                                                                        Comments

                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                        Control0..1
                                                                                                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                        Summarytrue
                                                                                                                                                                        Requirements

                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                        • type @ $this
                                                                                                                                                                        • 904. Observation.component:External_Others_Specify.value[x]:valueCodeableConcept
                                                                                                                                                                          Slice NamevalueCodeableConcept
                                                                                                                                                                          Definition

                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                          ShortActual component result
                                                                                                                                                                          Comments

                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                          Control0..1
                                                                                                                                                                          TypeCodeableConcept, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range
                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                          Summarytrue
                                                                                                                                                                          Requirements

                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                          906. Observation.component:DateReceived
                                                                                                                                                                          Slice NameDateReceived
                                                                                                                                                                          Definition

                                                                                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                          ShortComponent results
                                                                                                                                                                          Comments

                                                                                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                          Control0..1*
                                                                                                                                                                          TypeBackboneElement
                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                          Summarytrue
                                                                                                                                                                          Requirements

                                                                                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                          908. Observation.component:DateReceived.modifierExtension
                                                                                                                                                                          Definition

                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                          Comments

                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                          Control0..*
                                                                                                                                                                          TypeExtension
                                                                                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                          Summarytrue
                                                                                                                                                                          Requirements

                                                                                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                          910. Observation.component:DateReceived.code
                                                                                                                                                                          Definition

                                                                                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                          ShortType of component observation (code / type)
                                                                                                                                                                          Comments

                                                                                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                          Control1..1
                                                                                                                                                                          BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                          Codes identifying names of simple observations.

                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                          Summarytrue
                                                                                                                                                                          Requirements

                                                                                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                          Pattern Value{
                                                                                                                                                                            "coding" : [{
                                                                                                                                                                              "system" : "http://loinc.org",
                                                                                                                                                                              "code" : "30976-5",
                                                                                                                                                                              "display" : "Date received Form"
                                                                                                                                                                            }]
                                                                                                                                                                          }
                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                          912. Observation.component:DateReceived.value[x]
                                                                                                                                                                          Definition

                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                          ShortActual component result
                                                                                                                                                                          Comments

                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                          Control0..1
                                                                                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                          Summarytrue
                                                                                                                                                                          Requirements

                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                          • type @ $this
                                                                                                                                                                          • 914. Observation.component:DateReceived.value[x]:valueDateTime
                                                                                                                                                                            Slice NamevalueDateTime
                                                                                                                                                                            Definition

                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                            ShortActual component result
                                                                                                                                                                            Comments

                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                            Control0..1
                                                                                                                                                                            TypedateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                            Summarytrue
                                                                                                                                                                            Requirements

                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                            916. Observation.component:TimeReceived
                                                                                                                                                                            Slice NameTimeReceived
                                                                                                                                                                            Definition

                                                                                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                            ShortComponent results
                                                                                                                                                                            Comments

                                                                                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                            Control0..1*
                                                                                                                                                                            TypeBackboneElement
                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                            Summarytrue
                                                                                                                                                                            Requirements

                                                                                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                            918. Observation.component:TimeReceived.modifierExtension
                                                                                                                                                                            Definition

                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                            Comments

                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                            Control0..*
                                                                                                                                                                            TypeExtension
                                                                                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                            Summarytrue
                                                                                                                                                                            Requirements

                                                                                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                            920. Observation.component:TimeReceived.code
                                                                                                                                                                            Definition

                                                                                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                            ShortType of component observation (code / type)
                                                                                                                                                                            Comments

                                                                                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                            Control1..1
                                                                                                                                                                            BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                            Codes identifying names of simple observations.

                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                            Summarytrue
                                                                                                                                                                            Requirements

                                                                                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                            922. Observation.component:TimeReceived.code.text
                                                                                                                                                                            Definition

                                                                                                                                                                            A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                            ShortPlain text representation of the concept
                                                                                                                                                                            Comments

                                                                                                                                                                            Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                            Control0..1
                                                                                                                                                                            Typestring
                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                            Summarytrue
                                                                                                                                                                            Requirements

                                                                                                                                                                            The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                            Pattern ValueTime received
                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                            924. Observation.component:TimeReceived.value[x]
                                                                                                                                                                            Definition

                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                            ShortActual component result
                                                                                                                                                                            Comments

                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                            Control0..1
                                                                                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                            Summarytrue
                                                                                                                                                                            Requirements

                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                            • type @ $this
                                                                                                                                                                            • 926. Observation.component:TimeReceived.value[x]:valueDateTime
                                                                                                                                                                              Slice NamevalueDateTime
                                                                                                                                                                              Definition

                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                              ShortActual component result
                                                                                                                                                                              Comments

                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                              Control0..1
                                                                                                                                                                              TypedateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                              Summarytrue
                                                                                                                                                                              Requirements

                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                              928. Observation.component:TimeEnroute
                                                                                                                                                                              Slice NameTimeEnroute
                                                                                                                                                                              Definition

                                                                                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                              ShortComponent results
                                                                                                                                                                              Comments

                                                                                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                              Control0..1*
                                                                                                                                                                              TypeBackboneElement
                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                              Summarytrue
                                                                                                                                                                              Requirements

                                                                                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                              930. Observation.component:TimeEnroute.modifierExtension
                                                                                                                                                                              Definition

                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                              Comments

                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                              Control0..*
                                                                                                                                                                              TypeExtension
                                                                                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                              Summarytrue
                                                                                                                                                                              Requirements

                                                                                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                              932. Observation.component:TimeEnroute.code
                                                                                                                                                                              Definition

                                                                                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                              ShortType of component observation (code / type)
                                                                                                                                                                              Comments

                                                                                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                              Control1..1
                                                                                                                                                                              BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                              Codes identifying names of simple observations.

                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                              Summarytrue
                                                                                                                                                                              Requirements

                                                                                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                              934. Observation.component:TimeEnroute.code.text
                                                                                                                                                                              Definition

                                                                                                                                                                              A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                              ShortPlain text representation of the concept
                                                                                                                                                                              Comments

                                                                                                                                                                              Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                              Control0..1
                                                                                                                                                                              Typestring
                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                              Summarytrue
                                                                                                                                                                              Requirements

                                                                                                                                                                              The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                              Pattern ValueTime enroute (dispatched)
                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                              936. Observation.component:TimeEnroute.value[x]
                                                                                                                                                                              Definition

                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                              ShortActual component result
                                                                                                                                                                              Comments

                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                              Control0..1
                                                                                                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                              Summarytrue
                                                                                                                                                                              Requirements

                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                              • type @ $this
                                                                                                                                                                              • 938. Observation.component:TimeEnroute.value[x]:valueDateTime
                                                                                                                                                                                Slice NamevalueDateTime
                                                                                                                                                                                Definition

                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                Comments

                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                Control0..1
                                                                                                                                                                                TypedateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                Summarytrue
                                                                                                                                                                                Requirements

                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                940. Observation.component:TimeOnScene
                                                                                                                                                                                Slice NameTimeOnScene
                                                                                                                                                                                Definition

                                                                                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                ShortComponent results
                                                                                                                                                                                Comments

                                                                                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                Control0..1*
                                                                                                                                                                                TypeBackboneElement
                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                Summarytrue
                                                                                                                                                                                Requirements

                                                                                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                942. Observation.component:TimeOnScene.modifierExtension
                                                                                                                                                                                Definition

                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                Comments

                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                Control0..*
                                                                                                                                                                                TypeExtension
                                                                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                Summarytrue
                                                                                                                                                                                Requirements

                                                                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                944. Observation.component:TimeOnScene.code
                                                                                                                                                                                Definition

                                                                                                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                ShortType of component observation (code / type)
                                                                                                                                                                                Comments

                                                                                                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                Control1..1
                                                                                                                                                                                BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                Codes identifying names of simple observations.

                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                Summarytrue
                                                                                                                                                                                Requirements

                                                                                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                946. Observation.component:TimeOnScene.code.text
                                                                                                                                                                                Definition

                                                                                                                                                                                A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                ShortPlain text representation of the concept
                                                                                                                                                                                Comments

                                                                                                                                                                                Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                Control0..1
                                                                                                                                                                                Typestring
                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                Summarytrue
                                                                                                                                                                                Requirements

                                                                                                                                                                                The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                Pattern ValueTime on scene
                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                948. Observation.component:TimeOnScene.value[x]
                                                                                                                                                                                Definition

                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                Comments

                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                Control0..1
                                                                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                Summarytrue
                                                                                                                                                                                Requirements

                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                • type @ $this
                                                                                                                                                                                • 950. Observation.component:TimeOnScene.value[x]:valueDateTime
                                                                                                                                                                                  Slice NamevalueDateTime
                                                                                                                                                                                  Definition

                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                  Comments

                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                  Control0..1
                                                                                                                                                                                  TypedateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                  Requirements

                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                  952. Observation.component:TimeDeparted
                                                                                                                                                                                  Slice NameTimeDeparted
                                                                                                                                                                                  Definition

                                                                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                  ShortComponent results
                                                                                                                                                                                  Comments

                                                                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                  Control0..1*
                                                                                                                                                                                  TypeBackboneElement
                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                  Requirements

                                                                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                  954. Observation.component:TimeDeparted.modifierExtension
                                                                                                                                                                                  Definition

                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                  Comments

                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                  Control0..*
                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                  Requirements

                                                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                  956. Observation.component:TimeDeparted.code
                                                                                                                                                                                  Definition

                                                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                                                  Comments

                                                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                  Control1..1
                                                                                                                                                                                  BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                  Requirements

                                                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                  958. Observation.component:TimeDeparted.code.text
                                                                                                                                                                                  Definition

                                                                                                                                                                                  A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                  ShortPlain text representation of the concept
                                                                                                                                                                                  Comments

                                                                                                                                                                                  Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                  Control0..1
                                                                                                                                                                                  Typestring
                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                  Requirements

                                                                                                                                                                                  The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                  Pattern ValueTime departed scene
                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                  960. Observation.component:TimeDeparted.value[x]
                                                                                                                                                                                  Definition

                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                  Comments

                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                  Control0..1
                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                  Requirements

                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                  • 962. Observation.component:TimeDeparted.value[x]:valueDateTime
                                                                                                                                                                                    Slice NamevalueDateTime
                                                                                                                                                                                    Definition

                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                    Comments

                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                    Control0..1
                                                                                                                                                                                    TypedateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                    Requirements

                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                    964. Observation.component:TimeHospitalArrival
                                                                                                                                                                                    Slice NameTimeHospitalArrival
                                                                                                                                                                                    Definition

                                                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                    ShortComponent results
                                                                                                                                                                                    Comments

                                                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                    Control0..1*
                                                                                                                                                                                    TypeBackboneElement
                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                    Requirements

                                                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                    966. Observation.component:TimeHospitalArrival.modifierExtension
                                                                                                                                                                                    Definition

                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                    Comments

                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                    Control0..*
                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                    Requirements

                                                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                    968. Observation.component:TimeHospitalArrival.code
                                                                                                                                                                                    Definition

                                                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                                                    Comments

                                                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                    Control1..1
                                                                                                                                                                                    BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                    Requirements

                                                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                    970. Observation.component:TimeHospitalArrival.code.text
                                                                                                                                                                                    Definition

                                                                                                                                                                                    A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                    ShortPlain text representation of the concept
                                                                                                                                                                                    Comments

                                                                                                                                                                                    Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                    Control0..1
                                                                                                                                                                                    Typestring
                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                    Requirements

                                                                                                                                                                                    The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                    Pattern ValueTime of hospital arrival
                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                    972. Observation.component:TimeHospitalArrival.value[x]
                                                                                                                                                                                    Definition

                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                    Comments

                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                    Control0..1
                                                                                                                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                    Requirements

                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                    • 974. Observation.component:TimeHospitalArrival.value[x]:valueDateTime
                                                                                                                                                                                      Slice NamevalueDateTime
                                                                                                                                                                                      Definition

                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                      Comments

                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                      Control0..1
                                                                                                                                                                                      TypedateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                      Requirements

                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                      976. Observation.component:TimeStationArrival
                                                                                                                                                                                      Slice NameTimeStationArrival
                                                                                                                                                                                      Definition

                                                                                                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                      ShortComponent results
                                                                                                                                                                                      Comments

                                                                                                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                      Control0..1*
                                                                                                                                                                                      TypeBackboneElement
                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                      Requirements

                                                                                                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                      978. Observation.component:TimeStationArrival.modifierExtension
                                                                                                                                                                                      Definition

                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                      Comments

                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                      Control0..*
                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                      Requirements

                                                                                                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                      980. Observation.component:TimeStationArrival.code
                                                                                                                                                                                      Definition

                                                                                                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                      ShortType of component observation (code / type)
                                                                                                                                                                                      Comments

                                                                                                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                      Control1..1
                                                                                                                                                                                      BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                      Codes identifying names of simple observations.

                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                      Requirements

                                                                                                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                      982. Observation.component:TimeStationArrival.code.text
                                                                                                                                                                                      Definition

                                                                                                                                                                                      A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                      ShortPlain text representation of the concept
                                                                                                                                                                                      Comments

                                                                                                                                                                                      Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                      Control0..1
                                                                                                                                                                                      Typestring
                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                      Requirements

                                                                                                                                                                                      The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                      Pattern ValueTime of emergency station arrival
                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                      984. Observation.component:TimeStationArrival.value[x]
                                                                                                                                                                                      Definition

                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                      Comments

                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                      Control0..1
                                                                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                      Requirements

                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                      • 986. Observation.component:TimeStationArrival.value[x]:valueDateTime
                                                                                                                                                                                        Slice NamevalueDateTime
                                                                                                                                                                                        Definition

                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                        Comments

                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                        Control0..1
                                                                                                                                                                                        TypedateTime, boolean, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                        Requirements

                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                        988. Observation.component:TransferredFromFacility
                                                                                                                                                                                        Slice NameTransferredFromFacility
                                                                                                                                                                                        Definition

                                                                                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                        ShortComponent results
                                                                                                                                                                                        Comments

                                                                                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                        Control0..1*
                                                                                                                                                                                        TypeBackboneElement
                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                        Requirements

                                                                                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                        990. Observation.component:TransferredFromFacility.modifierExtension
                                                                                                                                                                                        Definition

                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                        Comments

                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                        Control0..*
                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                        Requirements

                                                                                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                        992. Observation.component:TransferredFromFacility.code
                                                                                                                                                                                        Definition

                                                                                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                        ShortType of component observation (code / type)
                                                                                                                                                                                        Comments

                                                                                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                        Control1..1
                                                                                                                                                                                        BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                        Codes identifying names of simple observations.

                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                        Requirements

                                                                                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                        994. Observation.component:TransferredFromFacility.code.text
                                                                                                                                                                                        Definition

                                                                                                                                                                                        A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                        ShortPlain text representation of the concept
                                                                                                                                                                                        Comments

                                                                                                                                                                                        Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                        Control0..1
                                                                                                                                                                                        Typestring
                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                        Requirements

                                                                                                                                                                                        The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                        Pattern ValueTransferred from another hospital/facility
                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                        996. Observation.component:TransferredFromFacility.value[x]
                                                                                                                                                                                        Definition

                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                        Comments

                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                        Control0..1
                                                                                                                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                        Requirements

                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                        • 998. Observation.component:TransferredFromFacility.value[x]:valueBoolean
                                                                                                                                                                                          Slice NamevalueBoolean
                                                                                                                                                                                          Definition

                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                          Comments

                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                          Control0..1
                                                                                                                                                                                          Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                          Requirements

                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                          1000. Observation.component:ReferredFromFacility
                                                                                                                                                                                          Slice NameReferredFromFacility
                                                                                                                                                                                          Definition

                                                                                                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                          ShortComponent results
                                                                                                                                                                                          Comments

                                                                                                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                          Control0..1*
                                                                                                                                                                                          TypeBackboneElement
                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                          Requirements

                                                                                                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                          1002. Observation.component:ReferredFromFacility.modifierExtension
                                                                                                                                                                                          Definition

                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                          Comments

                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                          Control0..*
                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                          Requirements

                                                                                                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                          1004. Observation.component:ReferredFromFacility.code
                                                                                                                                                                                          Definition

                                                                                                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                          ShortType of component observation (code / type)
                                                                                                                                                                                          Comments

                                                                                                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                          Control1..1
                                                                                                                                                                                          BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                          Codes identifying names of simple observations.

                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                          Requirements

                                                                                                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                          1006. Observation.component:ReferredFromFacility.code.text
                                                                                                                                                                                          Definition

                                                                                                                                                                                          A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                          ShortPlain text representation of the concept
                                                                                                                                                                                          Comments

                                                                                                                                                                                          Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                          Control0..1
                                                                                                                                                                                          Typestring
                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                          Requirements

                                                                                                                                                                                          The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                          Pattern ValueReferred by another hospital/facility
                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                          1008. Observation.component:ReferredFromFacility.value[x]
                                                                                                                                                                                          Definition

                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                          Comments

                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                          Control0..1
                                                                                                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                          Requirements

                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                          • 1010. Observation.component:ReferredFromFacility.value[x]:valueBoolean
                                                                                                                                                                                            Slice NamevalueBoolean
                                                                                                                                                                                            Definition

                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                            Comments

                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                            Control0..1
                                                                                                                                                                                            Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                            Requirements

                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                            1012. Observation.component:HowManyVehiclesInvolved
                                                                                                                                                                                            Slice NameHowManyVehiclesInvolved
                                                                                                                                                                                            Definition

                                                                                                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                            ShortComponent results
                                                                                                                                                                                            Comments

                                                                                                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                            Control0..1*
                                                                                                                                                                                            TypeBackboneElement
                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                            Requirements

                                                                                                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                            1014. Observation.component:HowManyVehiclesInvolved.modifierExtension
                                                                                                                                                                                            Definition

                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                            Comments

                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                            Control0..*
                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                            Requirements

                                                                                                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                            1016. Observation.component:HowManyVehiclesInvolved.code
                                                                                                                                                                                            Definition

                                                                                                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                            ShortType of component observation (code / type)
                                                                                                                                                                                            Comments

                                                                                                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                            Control1..1
                                                                                                                                                                                            BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                            Codes identifying names of simple observations.

                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                            Requirements

                                                                                                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                            1018. Observation.component:HowManyVehiclesInvolved.code.text
                                                                                                                                                                                            Definition

                                                                                                                                                                                            A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                            ShortPlain text representation of the concept
                                                                                                                                                                                            Comments

                                                                                                                                                                                            Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                            Control0..1
                                                                                                                                                                                            Typestring
                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                            Requirements

                                                                                                                                                                                            The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                            Pattern ValueHow many vehicles involved
                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                            1020. Observation.component:HowManyVehiclesInvolved.value[x]
                                                                                                                                                                                            Definition

                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                            Comments

                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                            Control0..1
                                                                                                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                            Requirements

                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                            • 1022. Observation.component:HowManyVehiclesInvolved.value[x]:valueInteger
                                                                                                                                                                                              Slice NamevalueInteger
                                                                                                                                                                                              Definition

                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                              Comments

                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                              Control0..1
                                                                                                                                                                                              Typeinteger, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, time, Range, CodeableConcept
                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                              Requirements

                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                              1024. Observation.component:HowManyPatientsInvolved
                                                                                                                                                                                              Slice NameHowManyPatientsInvolved
                                                                                                                                                                                              Definition

                                                                                                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                              ShortComponent results
                                                                                                                                                                                              Comments

                                                                                                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                              Control0..1*
                                                                                                                                                                                              TypeBackboneElement
                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                              Requirements

                                                                                                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                              1026. Observation.component:HowManyPatientsInvolved.modifierExtension
                                                                                                                                                                                              Definition

                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                              Comments

                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                              Control0..*
                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                              Requirements

                                                                                                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                              1028. Observation.component:HowManyPatientsInvolved.code
                                                                                                                                                                                              Definition

                                                                                                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                              ShortType of component observation (code / type)
                                                                                                                                                                                              Comments

                                                                                                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                              Control1..1
                                                                                                                                                                                              BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                              Codes identifying names of simple observations.

                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                              Requirements

                                                                                                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                              1030. Observation.component:HowManyPatientsInvolved.code.text
                                                                                                                                                                                              Definition

                                                                                                                                                                                              A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                              ShortPlain text representation of the concept
                                                                                                                                                                                              Comments

                                                                                                                                                                                              Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                              Control0..1
                                                                                                                                                                                              Typestring
                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                              Requirements

                                                                                                                                                                                              The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                              Pattern ValueHow many patients involved
                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                              1032. Observation.component:HowManyPatientsInvolved.value[x]
                                                                                                                                                                                              Definition

                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                              Comments

                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                              Control0..1
                                                                                                                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                              Requirements

                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                              • 1034. Observation.component:HowManyPatientsInvolved.value[x]:valueInteger
                                                                                                                                                                                                Slice NamevalueInteger
                                                                                                                                                                                                Definition

                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                Comments

                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                Typeinteger, dateTime, boolean, string, SampledData, Quantity, Period, Ratio, time, Range, CodeableConcept
                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                Requirements

                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                1036. Observation.component:CCTV_Reconstruction
                                                                                                                                                                                                Slice NameCCTV_Reconstruction
                                                                                                                                                                                                Definition

                                                                                                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                ShortComponent results
                                                                                                                                                                                                Comments

                                                                                                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                Control0..1*
                                                                                                                                                                                                TypeBackboneElement
                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                Requirements

                                                                                                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                1038. Observation.component:CCTV_Reconstruction.modifierExtension
                                                                                                                                                                                                Definition

                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                Comments

                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                Requirements

                                                                                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                1040. Observation.component:CCTV_Reconstruction.code
                                                                                                                                                                                                Definition

                                                                                                                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                ShortType of component observation (code / type)
                                                                                                                                                                                                Comments

                                                                                                                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                Control1..1
                                                                                                                                                                                                BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                Codes identifying names of simple observations.

                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                Requirements

                                                                                                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                1042. Observation.component:CCTV_Reconstruction.code.text
                                                                                                                                                                                                Definition

                                                                                                                                                                                                A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                ShortPlain text representation of the concept
                                                                                                                                                                                                Comments

                                                                                                                                                                                                Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                Typestring
                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                Requirements

                                                                                                                                                                                                The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                Pattern ValueCCTV video, reconstruction of what happened
                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                1044. Observation.component:CCTV_Reconstruction.value[x]
                                                                                                                                                                                                Definition

                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                Comments

                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                Requirements

                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                • 1046. Observation.component:CCTV_Reconstruction.value[x]:valueBoolean
                                                                                                                                                                                                  Slice NamevalueBoolean
                                                                                                                                                                                                  Definition

                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                  Comments

                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                  Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                  1048. Observation.component:Exposure_Heat
                                                                                                                                                                                                  Slice NameExposure_Heat
                                                                                                                                                                                                  Definition

                                                                                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                  ShortComponent results
                                                                                                                                                                                                  Comments

                                                                                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                  Control0..1*
                                                                                                                                                                                                  TypeBackboneElement
                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                  1050. Observation.component:Exposure_Heat.modifierExtension
                                                                                                                                                                                                  Definition

                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                  Comments

                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                  1052. Observation.component:Exposure_Heat.code
                                                                                                                                                                                                  Definition

                                                                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                                                                  Comments

                                                                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                  Control1..1
                                                                                                                                                                                                  BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                  Pattern Value{
                                                                                                                                                                                                    "coding" : [{
                                                                                                                                                                                                      "system" : "http://snomed.info/sct",
                                                                                                                                                                                                      "code" : "88999006",
                                                                                                                                                                                                      "display" : "Heat (physical force)"
                                                                                                                                                                                                    }]
                                                                                                                                                                                                  }
                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                  1054. Observation.component:Exposure_Heat.value[x]
                                                                                                                                                                                                  Definition

                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                  Comments

                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                  • 1056. Observation.component:Exposure_Heat.value[x]:valueBoolean
                                                                                                                                                                                                    Slice NamevalueBoolean
                                                                                                                                                                                                    Definition

                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                    Comments

                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                    Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                    1058. Observation.component:Exposure_Fire
                                                                                                                                                                                                    Slice NameExposure_Fire
                                                                                                                                                                                                    Definition

                                                                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                    ShortComponent results
                                                                                                                                                                                                    Comments

                                                                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                    Control0..1*
                                                                                                                                                                                                    TypeBackboneElement
                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                    1060. Observation.component:Exposure_Fire.modifierExtension
                                                                                                                                                                                                    Definition

                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                    Comments

                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                    1062. Observation.component:Exposure_Fire.code
                                                                                                                                                                                                    Definition

                                                                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                                                                    Comments

                                                                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                    Control1..1
                                                                                                                                                                                                    BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                    Pattern Value{
                                                                                                                                                                                                      "coding" : [{
                                                                                                                                                                                                        "system" : "http://snomed.info/sct",
                                                                                                                                                                                                        "code" : "80032004",
                                                                                                                                                                                                        "display" : "Fire (physical force)"
                                                                                                                                                                                                      }]
                                                                                                                                                                                                    }
                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                    1064. Observation.component:Exposure_Fire.value[x]
                                                                                                                                                                                                    Definition

                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                    Comments

                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                    • 1066. Observation.component:Exposure_Fire.value[x]:valueBoolean
                                                                                                                                                                                                      Slice NamevalueBoolean
                                                                                                                                                                                                      Definition

                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                      Comments

                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                      Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                      1068. Observation.component:Exposure_Electricity
                                                                                                                                                                                                      Slice NameExposure_Electricity
                                                                                                                                                                                                      Definition

                                                                                                                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                      ShortComponent results
                                                                                                                                                                                                      Comments

                                                                                                                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                      Control0..1*
                                                                                                                                                                                                      TypeBackboneElement
                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                      1070. Observation.component:Exposure_Electricity.modifierExtension
                                                                                                                                                                                                      Definition

                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                      Comments

                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                      1072. Observation.component:Exposure_Electricity.code
                                                                                                                                                                                                      Definition

                                                                                                                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                      ShortType of component observation (code / type)
                                                                                                                                                                                                      Comments

                                                                                                                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                      Control1..1
                                                                                                                                                                                                      BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                      Codes identifying names of simple observations.

                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                      Pattern Value{
                                                                                                                                                                                                        "coding" : [{
                                                                                                                                                                                                          "system" : "http://snomed.info/sct",
                                                                                                                                                                                                          "code" : "18213006",
                                                                                                                                                                                                          "display" : "Electricity (physical force)"
                                                                                                                                                                                                        }]
                                                                                                                                                                                                      }
                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                      1074. Observation.component:Exposure_Electricity.value[x]
                                                                                                                                                                                                      Definition

                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                      Comments

                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                      • 1076. Observation.component:Exposure_Electricity.value[x]:valueBoolean
                                                                                                                                                                                                        Slice NamevalueBoolean
                                                                                                                                                                                                        Definition

                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                        Comments

                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                        Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                        1078. Observation.component:Exposure_Friction
                                                                                                                                                                                                        Slice NameExposure_Friction
                                                                                                                                                                                                        Definition

                                                                                                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                        ShortComponent results
                                                                                                                                                                                                        Comments

                                                                                                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                        Control0..1*
                                                                                                                                                                                                        TypeBackboneElement
                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                        1080. Observation.component:Exposure_Friction.modifierExtension
                                                                                                                                                                                                        Definition

                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                        Comments

                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                        1082. Observation.component:Exposure_Friction.code
                                                                                                                                                                                                        Definition

                                                                                                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                        ShortType of component observation (code / type)
                                                                                                                                                                                                        Comments

                                                                                                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                        Control1..1
                                                                                                                                                                                                        BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                        Codes identifying names of simple observations.

                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                        Pattern Value{
                                                                                                                                                                                                          "coding" : [{
                                                                                                                                                                                                            "system" : "http://snomed.info/sct",
                                                                                                                                                                                                            "code" : "263762005",
                                                                                                                                                                                                            "display" : "Friction (physical force)"
                                                                                                                                                                                                          }]
                                                                                                                                                                                                        }
                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                        1084. Observation.component:Exposure_Friction.value[x]
                                                                                                                                                                                                        Definition

                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                        Comments

                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                        • 1086. Observation.component:Exposure_Friction.value[x]:valueBoolean
                                                                                                                                                                                                          Slice NamevalueBoolean
                                                                                                                                                                                                          Definition

                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                          Comments

                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                          Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                          1088. Observation.component:Exposure_Oil
                                                                                                                                                                                                          Slice NameExposure_Oil
                                                                                                                                                                                                          Definition

                                                                                                                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                          ShortComponent results
                                                                                                                                                                                                          Comments

                                                                                                                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                          Control0..1*
                                                                                                                                                                                                          TypeBackboneElement
                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                          1090. Observation.component:Exposure_Oil.modifierExtension
                                                                                                                                                                                                          Definition

                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                          Comments

                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                          1092. Observation.component:Exposure_Oil.code
                                                                                                                                                                                                          Definition

                                                                                                                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                          ShortType of component observation (code / type)
                                                                                                                                                                                                          Comments

                                                                                                                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                          Control1..1
                                                                                                                                                                                                          BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                          Codes identifying names of simple observations.

                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                          Pattern Value{
                                                                                                                                                                                                            "coding" : [{
                                                                                                                                                                                                              "system" : "http://snomed.info/sct",
                                                                                                                                                                                                              "code" : "21847005",
                                                                                                                                                                                                              "display" : "Oil (substance)"
                                                                                                                                                                                                            }]
                                                                                                                                                                                                          }
                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                          1094. Observation.component:Exposure_Oil.value[x]
                                                                                                                                                                                                          Definition

                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                          Comments

                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                          • 1096. Observation.component:Exposure_Oil.value[x]:valueBoolean
                                                                                                                                                                                                            Slice NamevalueBoolean
                                                                                                                                                                                                            Definition

                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                            Comments

                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                            Typeboolean, dateTime, string, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                            1098. Observation.component:ModeOfTransport_Other
                                                                                                                                                                                                            Slice NameModeOfTransport_Other
                                                                                                                                                                                                            Definition

                                                                                                                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                            ShortComponent results
                                                                                                                                                                                                            Comments

                                                                                                                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                            Control0..1*
                                                                                                                                                                                                            TypeBackboneElement
                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                            1100. Observation.component:ModeOfTransport_Other.modifierExtension
                                                                                                                                                                                                            Definition

                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                            Comments

                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                            1102. Observation.component:ModeOfTransport_Other.code
                                                                                                                                                                                                            Definition

                                                                                                                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                            ShortType of component observation (code / type)
                                                                                                                                                                                                            Comments

                                                                                                                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                            Control1..1
                                                                                                                                                                                                            BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                            Codes identifying names of simple observations.

                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                            1104. Observation.component:ModeOfTransport_Other.code.text
                                                                                                                                                                                                            Definition

                                                                                                                                                                                                            A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                            ShortPlain text representation of the concept
                                                                                                                                                                                                            Comments

                                                                                                                                                                                                            Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                            The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                            Pattern ValueMode of transport - Others, specify
                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                            1106. Observation.component:ModeOfTransport_Other.value[x]
                                                                                                                                                                                                            Definition

                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                            Comments

                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                            • 1108. Observation.component:ModeOfTransport_Other.value[x]:valueString
                                                                                                                                                                                                              Slice NamevalueString
                                                                                                                                                                                                              Definition

                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                              Comments

                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                              Typestring, dateTime, boolean, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                              1110. Observation.component:PlaceOfOccurrence_WorkplaceName
                                                                                                                                                                                                              Slice NamePlaceOfOccurrence_WorkplaceName
                                                                                                                                                                                                              Definition

                                                                                                                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                              ShortComponent results
                                                                                                                                                                                                              Comments

                                                                                                                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                              Control0..1*
                                                                                                                                                                                                              TypeBackboneElement
                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                              1112. Observation.component:PlaceOfOccurrence_WorkplaceName.modifierExtension
                                                                                                                                                                                                              Definition

                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                              Comments

                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                              1114. Observation.component:PlaceOfOccurrence_WorkplaceName.code
                                                                                                                                                                                                              Definition

                                                                                                                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                              ShortType of component observation (code / type)
                                                                                                                                                                                                              Comments

                                                                                                                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                              Control1..1
                                                                                                                                                                                                              BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                              Codes identifying names of simple observations.

                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                              1116. Observation.component:PlaceOfOccurrence_WorkplaceName.code.text
                                                                                                                                                                                                              Definition

                                                                                                                                                                                                              A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                              ShortPlain text representation of the concept
                                                                                                                                                                                                              Comments

                                                                                                                                                                                                              Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                              The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                              Pattern ValuePlace of occurrence - Workplace, specify
                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                              1118. Observation.component:PlaceOfOccurrence_WorkplaceName.value[x]
                                                                                                                                                                                                              Definition

                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                              Comments

                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                              • 1120. Observation.component:PlaceOfOccurrence_WorkplaceName.value[x]:valueString
                                                                                                                                                                                                                Slice NamevalueString
                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                Typestring, dateTime, boolean, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                1122. Observation.component:PlaceOfOccurrence_Other
                                                                                                                                                                                                                Slice NamePlaceOfOccurrence_Other
                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                ShortComponent results
                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                Control0..1*
                                                                                                                                                                                                                TypeBackboneElement
                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                1124. Observation.component:PlaceOfOccurrence_Other.modifierExtension
                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                1126. Observation.component:PlaceOfOccurrence_Other.code
                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                ShortType of component observation (code / type)
                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                Control1..1
                                                                                                                                                                                                                BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                Codes identifying names of simple observations.

                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                1128. Observation.component:PlaceOfOccurrence_Other.code.text
                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                ShortPlain text representation of the concept
                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                Pattern ValuePlace of occurrence - Others, specify
                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                1130. Observation.component:PlaceOfOccurrence_Other.value[x]
                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                • 1132. Observation.component:PlaceOfOccurrence_Other.value[x]:valueString
                                                                                                                                                                                                                  Slice NamevalueString
                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                  Typestring, dateTime, boolean, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                  1134. Observation.component:ActivityAtIncident_Other
                                                                                                                                                                                                                  Slice NameActivityAtIncident_Other
                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                  ShortComponent results
                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                  Control0..1*
                                                                                                                                                                                                                  TypeBackboneElement
                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                  1136. Observation.component:ActivityAtIncident_Other.modifierExtension
                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                  1138. Observation.component:ActivityAtIncident_Other.code
                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                  Control1..1
                                                                                                                                                                                                                  BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                  1140. Observation.component:ActivityAtIncident_Other.code.text
                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                  A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                  ShortPlain text representation of the concept
                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                  Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                  The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                  Pattern ValueActivity at incident - Others, specify
                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                  1142. Observation.component:ActivityAtIncident_Other.value[x]
                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                  • 1144. Observation.component:ActivityAtIncident_Other.value[x]:valueString
                                                                                                                                                                                                                    Slice NamevalueString
                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                    Typestring, dateTime, boolean, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                    1146. Observation.component:OtherRiskFactors_Other
                                                                                                                                                                                                                    Slice NameOtherRiskFactors_Other
                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                    ShortComponent results
                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                    Control0..1*
                                                                                                                                                                                                                    TypeBackboneElement
                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                    1148. Observation.component:OtherRiskFactors_Other.modifierExtension
                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                    1150. Observation.component:OtherRiskFactors_Other.code
                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                    Control1..1
                                                                                                                                                                                                                    BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                    1152. Observation.component:OtherRiskFactors_Other.code.text
                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                    A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                    ShortPlain text representation of the concept
                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                    Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                    The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                    Pattern ValueOther risk factors - Others, specify
                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                    1154. Observation.component:OtherRiskFactors_Other.value[x]
                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                    • 1156. Observation.component:OtherRiskFactors_Other.value[x]:valueString
                                                                                                                                                                                                                      Slice NamevalueString
                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                      Typestring, dateTime, boolean, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                      1158. Observation.component:Remarks
                                                                                                                                                                                                                      Slice NameRemarks
                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                      ShortComponent results
                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                      TypeBackboneElement
                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                      1160. Observation.component:Remarks.modifierExtension
                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                      1162. Observation.component:Remarks.code
                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                      ShortType of component observation (code / type)
                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                      Control1..1
                                                                                                                                                                                                                      BindingFor example codes, see LOINCCodeshttp://hl7.org/fhir/ValueSet/observation-codes|4.0.1
                                                                                                                                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                      Codes identifying names of simple observations.

                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                      1164. Observation.component:Remarks.code.text
                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                      A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                      ShortPlain text representation of the concept
                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                      Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                      The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                      Pattern ValueRemarks (transport/handover)
                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                      1166. Observation.component:Remarks.value[x]
                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                      • 1168. Observation.component:Remarks.value[x]:valueString
                                                                                                                                                                                                                        Slice NamevalueString
                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                        Typestring, dateTime, boolean, SampledData, Quantity, Period, Ratio, integer, time, Range, CodeableConcept
                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))

                                                                                                                                                                                                                        Guidance on how to interpret the contents of this table can be foundhere

                                                                                                                                                                                                                        0. Observation
                                                                                                                                                                                                                        2. Observation.extension
                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                        • value @ url
                                                                                                                                                                                                                        • 4. Observation.extension:externalCauseDetail
                                                                                                                                                                                                                          Slice NameexternalCauseDetail
                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                          TypeExtension(External Cause Detail) (Extension Type: string)
                                                                                                                                                                                                                          6. Observation.extension:transportDetails
                                                                                                                                                                                                                          Slice NametransportDetails
                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                          TypeExtension(Transport Details) (Complex Extension)
                                                                                                                                                                                                                          8. Observation.extension:safetyNotes
                                                                                                                                                                                                                          Slice NamesafetyNotes
                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                          TypeExtension(Safety / Other Risk Factors) (Extension Type: Choice of: base64Binary, boolean, canonical, code, date, dateTime, decimal, id, instant, integer, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, Reference, SampledData, Signature, Timing, ContactDetail, Contributor, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Dosage, Meta)
                                                                                                                                                                                                                          10. Observation.category
                                                                                                                                                                                                                          Must Supporttrue
                                                                                                                                                                                                                          12. Observation.code
                                                                                                                                                                                                                          BindingThe codes SHOULD be taken from RSInjuryTypeVS
                                                                                                                                                                                                                          (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-InjuryType)
                                                                                                                                                                                                                          14. Observation.subject
                                                                                                                                                                                                                          TypeReference(Road Safety Patient)
                                                                                                                                                                                                                          16. Observation.encounter
                                                                                                                                                                                                                          TypeReference(Road Safety Encounter)
                                                                                                                                                                                                                          18. Observation.performer
                                                                                                                                                                                                                          TypeReference(PH Core Practitioner)
                                                                                                                                                                                                                          20. Observation.component
                                                                                                                                                                                                                          Control1..?
                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                          • value @ code
                                                                                                                                                                                                                          • 22. Observation.component:DateTimeComponent
                                                                                                                                                                                                                            Slice NameDateTimeComponent
                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                            24. Observation.component:DateTimeComponent.value[x]
                                                                                                                                                                                                                            Control1..?
                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                            26. Observation.component:SystolicBP
                                                                                                                                                                                                                            Slice NameSystolicBP
                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                            28. Observation.component:SystolicBP.code
                                                                                                                                                                                                                            Pattern Value{
                                                                                                                                                                                                                              "coding" : [{
                                                                                                                                                                                                                                "system" : "http://loinc.org",
                                                                                                                                                                                                                                "code" : "8480-6",
                                                                                                                                                                                                                                "display" : "Systolic blood pressure"
                                                                                                                                                                                                                              }]
                                                                                                                                                                                                                            }
                                                                                                                                                                                                                            30. Observation.component:SystolicBP.value[x]
                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                            • 32. Observation.component:SystolicBP.value[x]:valueQuantity
                                                                                                                                                                                                                              Slice NamevalueQuantity
                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                              TypeQuantity
                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                              34. Observation.component:DiastolicBP
                                                                                                                                                                                                                              Slice NameDiastolicBP
                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                              36. Observation.component:DiastolicBP.code
                                                                                                                                                                                                                              Pattern Value{
                                                                                                                                                                                                                                "coding" : [{
                                                                                                                                                                                                                                  "system" : "http://loinc.org",
                                                                                                                                                                                                                                  "code" : "8462-4",
                                                                                                                                                                                                                                  "display" : "Diastolic blood pressure"
                                                                                                                                                                                                                                }]
                                                                                                                                                                                                                              }
                                                                                                                                                                                                                              38. Observation.component:DiastolicBP.value[x]
                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                              • 40. Observation.component:DiastolicBP.value[x]:valueQuantity
                                                                                                                                                                                                                                Slice NamevalueQuantity
                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                TypeQuantity
                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                42. Observation.component:HeartRate
                                                                                                                                                                                                                                Slice NameHeartRate
                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                44. Observation.component:HeartRate.code
                                                                                                                                                                                                                                Pattern Value{
                                                                                                                                                                                                                                  "coding" : [{
                                                                                                                                                                                                                                    "system" : "http://loinc.org",
                                                                                                                                                                                                                                    "code" : "8867-4",
                                                                                                                                                                                                                                    "display" : "Heart rate"
                                                                                                                                                                                                                                  }]
                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                46. Observation.component:HeartRate.value[x]
                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                • 48. Observation.component:HeartRate.value[x]:valueQuantity
                                                                                                                                                                                                                                  Slice NamevalueQuantity
                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                  TypeQuantity
                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                  50. Observation.component:RespiratoryRate
                                                                                                                                                                                                                                  Slice NameRespiratoryRate
                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                  52. Observation.component:RespiratoryRate.code
                                                                                                                                                                                                                                  Pattern Value{
                                                                                                                                                                                                                                    "coding" : [{
                                                                                                                                                                                                                                      "system" : "http://loinc.org",
                                                                                                                                                                                                                                      "code" : "9279-1",
                                                                                                                                                                                                                                      "display" : "Respiratory rate"
                                                                                                                                                                                                                                    }]
                                                                                                                                                                                                                                  }
                                                                                                                                                                                                                                  54. Observation.component:RespiratoryRate.value[x]
                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                  • 56. Observation.component:RespiratoryRate.value[x]:valueQuantity
                                                                                                                                                                                                                                    Slice NamevalueQuantity
                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                    TypeQuantity
                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                    58. Observation.component:Temperature
                                                                                                                                                                                                                                    Slice NameTemperature
                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                    60. Observation.component:Temperature.code
                                                                                                                                                                                                                                    Pattern Value{
                                                                                                                                                                                                                                      "coding" : [{
                                                                                                                                                                                                                                        "system" : "http://loinc.org",
                                                                                                                                                                                                                                        "code" : "8310-5",
                                                                                                                                                                                                                                        "display" : "Body temperature"
                                                                                                                                                                                                                                      }]
                                                                                                                                                                                                                                    }
                                                                                                                                                                                                                                    62. Observation.component:Temperature.value[x]
                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                    • 64. Observation.component:Temperature.value[x]:valueQuantity
                                                                                                                                                                                                                                      Slice NamevalueQuantity
                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                      TypeQuantity
                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                      66. Observation.component:RespiratoryRhythm
                                                                                                                                                                                                                                      Slice NameRespiratoryRhythm
                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                      68. Observation.component:RespiratoryRhythm.code
                                                                                                                                                                                                                                      Pattern Value{
                                                                                                                                                                                                                                        "coding" : [{
                                                                                                                                                                                                                                          "system" : "http://loinc.org",
                                                                                                                                                                                                                                          "code" : "9304-7",
                                                                                                                                                                                                                                          "display" : "Respiration rhythm"
                                                                                                                                                                                                                                        }]
                                                                                                                                                                                                                                      }
                                                                                                                                                                                                                                      70. Observation.component:RespiratoryRhythm.value[x]
                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                      • 72. Observation.component:RespiratoryRhythm.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                        Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                        BindingThe codes SHOULD be taken from RSRespiratoryRhythmVS
                                                                                                                                                                                                                                        (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-RespiratoryRhythm)
                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                        74. Observation.component:BreathSounds
                                                                                                                                                                                                                                        Slice NameBreathSounds
                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                        76. Observation.component:BreathSounds.code
                                                                                                                                                                                                                                        Pattern Value{
                                                                                                                                                                                                                                          "coding" : [{
                                                                                                                                                                                                                                            "system" : "http://loinc.org",
                                                                                                                                                                                                                                            "code" : "80319-7",
                                                                                                                                                                                                                                            "display" : "Breath sounds by Auscultation"
                                                                                                                                                                                                                                          }]
                                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                        78. Observation.component:BreathSounds.value[x]
                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                        • 80. Observation.component:BreathSounds.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                          Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                          BindingThe codes SHOULD be taken from RSBreathSoundsVS
                                                                                                                                                                                                                                          (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-BreathSounds)
                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                          82. Observation.component:PulseRhythm
                                                                                                                                                                                                                                          Slice NamePulseRhythm
                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                          84. Observation.component:PulseRhythm.code
                                                                                                                                                                                                                                          Pattern Value{
                                                                                                                                                                                                                                            "coding" : [{
                                                                                                                                                                                                                                              "system" : "http://loinc.org",
                                                                                                                                                                                                                                              "code" : "8884-9",
                                                                                                                                                                                                                                              "display" : "Heart rate rhythm"
                                                                                                                                                                                                                                            }]
                                                                                                                                                                                                                                          }
                                                                                                                                                                                                                                          86. Observation.component:PulseRhythm.value[x]
                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                          • 88. Observation.component:PulseRhythm.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                            Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                            BindingThe codes SHOULD be taken from RSPulseRhythmVS
                                                                                                                                                                                                                                            (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-PulseRhythm)
                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                            90. Observation.component:PulseQuality
                                                                                                                                                                                                                                            Slice NamePulseQuality
                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                            92. Observation.component:PulseQuality.code
                                                                                                                                                                                                                                            Pattern Value{
                                                                                                                                                                                                                                              "coding" : [{
                                                                                                                                                                                                                                                "system" : "http://loinc.org",
                                                                                                                                                                                                                                                "code" : "8866-6",
                                                                                                                                                                                                                                                "display" : "Arterial pulse quality by palpation"
                                                                                                                                                                                                                                              }]
                                                                                                                                                                                                                                            }
                                                                                                                                                                                                                                            94. Observation.component:PulseQuality.value[x]
                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                            • 96. Observation.component:PulseQuality.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                              Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                              BindingThe codes SHOULD be taken from RSPulseQualityVS
                                                                                                                                                                                                                                              (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-PulseQuality)
                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                              98. Observation.component:Pupils
                                                                                                                                                                                                                                              Slice NamePupils
                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                              100. Observation.component:Pupils.value[x]
                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                              • 102. Observation.component:Pupils.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                BindingThe codes SHOULD be taken from RSPupilsVS
                                                                                                                                                                                                                                                (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-Pupils)
                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                104. Observation.component:Cyanosis
                                                                                                                                                                                                                                                Slice NameCyanosis
                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                106. Observation.component:Cyanosis.value[x]
                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                • 108. Observation.component:Cyanosis.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                  Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                  BindingThe codes SHOULD be taken from RSCyanosisVS
                                                                                                                                                                                                                                                  (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-Cyanosis)
                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                  110. Observation.component:GCS_Eyes
                                                                                                                                                                                                                                                  Slice NameGCS_Eyes
                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                  112. Observation.component:GCS_Eyes.code
                                                                                                                                                                                                                                                  Pattern Value{
                                                                                                                                                                                                                                                    "coding" : [{
                                                                                                                                                                                                                                                      "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                      "code" : "276867008",
                                                                                                                                                                                                                                                      "display" : "Glasgow coma scale — eyes"
                                                                                                                                                                                                                                                    }]
                                                                                                                                                                                                                                                  }
                                                                                                                                                                                                                                                  114. Observation.component:GCS_Eyes.value[x]
                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                  • 116. Observation.component:GCS_Eyes.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                    Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                    BindingThe codes SHALL be taken from RSGCSEyesVS
                                                                                                                                                                                                                                                    (required to http://hl7.org/fhir/ValueSet/PH-RoadSafety-GCSEyes)
                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                    118. Observation.component:GCS_Verbal
                                                                                                                                                                                                                                                    Slice NameGCS_Verbal
                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                    120. Observation.component:GCS_Verbal.code
                                                                                                                                                                                                                                                    Pattern Value{
                                                                                                                                                                                                                                                      "coding" : [{
                                                                                                                                                                                                                                                        "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                        "code" : "276868003",
                                                                                                                                                                                                                                                        "display" : "Glasgow coma scale — verbal"
                                                                                                                                                                                                                                                      }]
                                                                                                                                                                                                                                                    }
                                                                                                                                                                                                                                                    122. Observation.component:GCS_Verbal.value[x]
                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                    • 124. Observation.component:GCS_Verbal.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                      Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                      BindingThe codes SHALL be taken from RSGCSVerbalVS
                                                                                                                                                                                                                                                      (required to http://hl7.org/fhir/ValueSet/PH-RoadSafety-GCSVerbal)
                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                      126. Observation.component:GCS_Motor
                                                                                                                                                                                                                                                      Slice NameGCS_Motor
                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                      128. Observation.component:GCS_Motor.code
                                                                                                                                                                                                                                                      Pattern Value{
                                                                                                                                                                                                                                                        "coding" : [{
                                                                                                                                                                                                                                                          "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                          "code" : "276869006",
                                                                                                                                                                                                                                                          "display" : "Glasgow coma scale — motor"
                                                                                                                                                                                                                                                        }]
                                                                                                                                                                                                                                                      }
                                                                                                                                                                                                                                                      130. Observation.component:GCS_Motor.value[x]
                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                      • 132. Observation.component:GCS_Motor.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                        Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                        BindingThe codes SHALL be taken from RSGCSMotorVS
                                                                                                                                                                                                                                                        (required to http://hl7.org/fhir/ValueSet/PH-RoadSafety-GCSMotor)
                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                        134. Observation.component:GCS_Total
                                                                                                                                                                                                                                                        Slice NameGCS_Total
                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                        136. Observation.component:GCS_Total.code
                                                                                                                                                                                                                                                        Pattern Value{
                                                                                                                                                                                                                                                          "coding" : [{
                                                                                                                                                                                                                                                            "system" : "http://loinc.org",
                                                                                                                                                                                                                                                            "code" : "9269-2",
                                                                                                                                                                                                                                                            "display" : "Glasgow coma score total"
                                                                                                                                                                                                                                                          }]
                                                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                                        138. Observation.component:GCS_Total.value[x]
                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                        • 140. Observation.component:GCS_Total.value[x]:valueInteger
                                                                                                                                                                                                                                                          Slice NamevalueInteger
                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                          Typeinteger
                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                          142. Observation.component:AVPU
                                                                                                                                                                                                                                                          Slice NameAVPU
                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                          144. Observation.component:AVPU.code
                                                                                                                                                                                                                                                          Pattern Value{
                                                                                                                                                                                                                                                            "coding" : [{
                                                                                                                                                                                                                                                              "system" : "http://loinc.org",
                                                                                                                                                                                                                                                              "code" : "67775-7",
                                                                                                                                                                                                                                                              "display" : "Level of responsiveness"
                                                                                                                                                                                                                                                            }]
                                                                                                                                                                                                                                                          }
                                                                                                                                                                                                                                                          146. Observation.component:AVPU.value[x]
                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                          • 148. Observation.component:AVPU.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                            Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                            BindingThe codes SHOULD be taken from RSAVPUVS
                                                                                                                                                                                                                                                            (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-AVPU)
                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                            150. Observation.component:ExternalCause
                                                                                                                                                                                                                                                            Slice NameExternalCause
                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                            152. Observation.component:ExternalCause.value[x]
                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                            • 154. Observation.component:ExternalCause.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                              Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                              BindingThe codes SHOULD be taken from External Cause ValueSet (example)
                                                                                                                                                                                                                                                              (preferred to https://build.fhir.org/ig/UPM-NTHC/PH-RoadSafetyIG/ValueSet/external-cause-vs)
                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                              156. Observation.component:InjuryIntent
                                                                                                                                                                                                                                                              Slice NameInjuryIntent
                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                              158. Observation.component:InjuryIntent.value[x]
                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                              • 160. Observation.component:InjuryIntent.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                BindingThe codes SHOULD be taken from RSInjuryIntentVS
                                                                                                                                                                                                                                                                (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-InjuryIntent)
                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                162. Observation.component:DrowningWaterBody
                                                                                                                                                                                                                                                                Slice NameDrowningWaterBody
                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                164. Observation.component:DrowningWaterBody.value[x]
                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                • 166. Observation.component:DrowningWaterBody.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                  Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                  BindingThe codes SHOULD be taken from RSDrowningWaterBodyVS
                                                                                                                                                                                                                                                                  (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-DrowningWaterBody)
                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                  168. Observation.component:ModeOfTransport
                                                                                                                                                                                                                                                                  Slice NameModeOfTransport
                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                  170. Observation.component:ModeOfTransport.code
                                                                                                                                                                                                                                                                  Pattern Value{
                                                                                                                                                                                                                                                                    "coding" : [{
                                                                                                                                                                                                                                                                      "system" : "http://loinc.org",
                                                                                                                                                                                                                                                                      "code" : "74286-6",
                                                                                                                                                                                                                                                                      "display" : "Mode of transport to the Hospital/Facility"
                                                                                                                                                                                                                                                                    }]
                                                                                                                                                                                                                                                                  }
                                                                                                                                                                                                                                                                  172. Observation.component:ModeOfTransport.value[x]
                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                  • 174. Observation.component:ModeOfTransport.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                    Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                    BindingThe codes SHOULD be taken from ModeOfTransportVS
                                                                                                                                                                                                                                                                    (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-ModeOfTransport)
                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                    176. Observation.component:Outcome
                                                                                                                                                                                                                                                                    Slice NameOutcome
                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                    178. Observation.component:Outcome.value[x]
                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                    • 180. Observation.component:Outcome.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                      Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                      BindingThe codes SHOULD be taken from OutcomeVS
                                                                                                                                                                                                                                                                      (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-Outcome)
                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                      182. Observation.component:ConditionOfPatient
                                                                                                                                                                                                                                                                      Slice NameConditionOfPatient
                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                      184. Observation.component:ConditionOfPatient.value[x]
                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                      • 186. Observation.component:ConditionOfPatient.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                        Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                        BindingThe codes SHOULD be taken from RSConditionOfPatientVS
                                                                                                                                                                                                                                                                        (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-ConditionOfPatient)
                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                        188. Observation.component:StatusOnArrival
                                                                                                                                                                                                                                                                        Slice NameStatusOnArrival
                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                        190. Observation.component:StatusOnArrival.value[x]
                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                        • 192. Observation.component:StatusOnArrival.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                          Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                          BindingThe codes SHOULD be taken from RSStatusOnArrivalVS
                                                                                                                                                                                                                                                                          (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-StatusOnArrival)
                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                          194. Observation.component:TriagePriority
                                                                                                                                                                                                                                                                          Slice NameTriagePriority
                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                          196. Observation.component:TriagePriority.value[x]
                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                          • 198. Observation.component:TriagePriority.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                            Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                            BindingThe codes SHOULD be taken from RSTriageCategoryVS
                                                                                                                                                                                                                                                                            (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-TriageCategory)
                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                            200. Observation.component:CollisionType
                                                                                                                                                                                                                                                                            Slice NameCollisionType
                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                            202. Observation.component:CollisionType.value[x]
                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                            • 204. Observation.component:CollisionType.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                              Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                              BindingThe codes SHOULD be taken from CollisionTypeVS
                                                                                                                                                                                                                                                                              (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-CollisionType)
                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                              206. Observation.component:PlaceOfOccurrence
                                                                                                                                                                                                                                                                              Slice NamePlaceOfOccurrence
                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                              208. Observation.component:PlaceOfOccurrence.value[x]
                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                              • 210. Observation.component:PlaceOfOccurrence.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                BindingThe codes SHOULD be taken from Place of Occurrence ValueSet (example)
                                                                                                                                                                                                                                                                                (preferred to https://build.fhir.org/ig/UPM-NTHC/PH-RoadSafetyIG/ValueSet/place-occ-vs)
                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                212. Observation.component:ActivityAtIncident
                                                                                                                                                                                                                                                                                Slice NameActivityAtIncident
                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                214. Observation.component:ActivityAtIncident.value[x]
                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                • 216. Observation.component:ActivityAtIncident.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                  Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                  BindingThe codes SHOULD be taken from Activity ValueSet (example)
                                                                                                                                                                                                                                                                                  (preferred to https://build.fhir.org/ig/UPM-NTHC/PH-RoadSafetyIG/ValueSet/activity-vs)
                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                  218. Observation.component:TransportVehicularAccidentFlag
                                                                                                                                                                                                                                                                                  Slice NameTransportVehicularAccidentFlag
                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                  220. Observation.component:TransportVehicularAccidentFlag.value[x]
                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                  • 222. Observation.component:TransportVehicularAccidentFlag.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                    Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                    Typeboolean
                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                    224. Observation.component:InjuryDateTime
                                                                                                                                                                                                                                                                                    Slice NameInjuryDateTime
                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                    226. Observation.component:InjuryDateTime.value[x]
                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                    • 228. Observation.component:InjuryDateTime.value[x]:valueDateTime
                                                                                                                                                                                                                                                                                      Slice NamevalueDateTime
                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                      TypedateTime
                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                      230. Observation.component:PresenceOfTrafficInvestigator
                                                                                                                                                                                                                                                                                      Slice NamePresenceOfTrafficInvestigator
                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                      232. Observation.component:PresenceOfTrafficInvestigator.value[x]
                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                      • 234. Observation.component:PresenceOfTrafficInvestigator.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                        Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                        Typeboolean
                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                        236. Observation.component:UrgencyLevel
                                                                                                                                                                                                                                                                                        Slice NameUrgencyLevel
                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                        238. Observation.component:UrgencyLevel.value[x]
                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                        • 240. Observation.component:UrgencyLevel.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                          Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                          BindingThe codes SHOULD be taken from RSUrgencyLevelVS
                                                                                                                                                                                                                                                                                          (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-UrgencyLevel)
                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                          242. Observation.component:CallSource
                                                                                                                                                                                                                                                                                          Slice NameCallSource
                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                          244. Observation.component:CallSource.code
                                                                                                                                                                                                                                                                                          246. Observation.component:CallSource.code.text
                                                                                                                                                                                                                                                                                          Pattern ValueCall source
                                                                                                                                                                                                                                                                                          248. Observation.component:CallSource.value[x]
                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                          • 250. Observation.component:CallSource.value[x]:valueString
                                                                                                                                                                                                                                                                                            Slice NamevalueString
                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                            252. Observation.component:ReportedComplaint
                                                                                                                                                                                                                                                                                            Slice NameReportedComplaint
                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                            Must Supporttrue
                                                                                                                                                                                                                                                                                            254. Observation.component:ReportedComplaint.code
                                                                                                                                                                                                                                                                                            256. Observation.component:ReportedComplaint.code.text
                                                                                                                                                                                                                                                                                            Pattern ValueReported complaint
                                                                                                                                                                                                                                                                                            258. Observation.component:ReportedComplaint.value[x]
                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                            • 260. Observation.component:ReportedComplaint.value[x]:valueString
                                                                                                                                                                                                                                                                                              Slice NamevalueString
                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                              262. Observation.component:MultipleInjuriesFlag
                                                                                                                                                                                                                                                                                              Slice NameMultipleInjuriesFlag
                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                              Must Supporttrue
                                                                                                                                                                                                                                                                                              264. Observation.component:MultipleInjuriesFlag.value[x]
                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                              • 266. Observation.component:MultipleInjuriesFlag.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                Typeboolean
                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                Must Supporttrue
                                                                                                                                                                                                                                                                                                268. Observation.component:ExtentOfInjury
                                                                                                                                                                                                                                                                                                Slice NameExtentOfInjury
                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                270. Observation.component:ExtentOfInjury.value[x]
                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                • 272. Observation.component:ExtentOfInjury.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                  Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                  BindingThe codes SHOULD be taken from RSInjuryTypeVS
                                                                                                                                                                                                                                                                                                  (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-InjuryType)
                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                  274. Observation.component:CollisionMode
                                                                                                                                                                                                                                                                                                  Slice NameCollisionMode
                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                  276. Observation.component:CollisionMode.value[x]
                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                  • 278. Observation.component:CollisionMode.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                    Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                    BindingThe codes SHOULD be taken from RSCollisionModeVS
                                                                                                                                                                                                                                                                                                    (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-CollisionMode)
                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                    280. Observation.component:PatientsVehicleType
                                                                                                                                                                                                                                                                                                    Slice NamePatientsVehicleType
                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                    282. Observation.component:PatientsVehicleType.value[x]
                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                    • 284. Observation.component:PatientsVehicleType.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                      Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                      BindingThe codes SHOULD be taken from ValueSet for Vehicle Used
                                                                                                                                                                                                                                                                                                      (preferred to https://build.fhir.org/ig/UPM-NTHC/PH-RoadSafetyIG/ValueSet/vs-rs-vehicle-type)
                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                      286. Observation.component:OtherVehicleObjectType
                                                                                                                                                                                                                                                                                                      Slice NameOtherVehicleObjectType
                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                      288. Observation.component:OtherVehicleObjectType.value[x]
                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                      • 290. Observation.component:OtherVehicleObjectType.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                        Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                        BindingThe codes SHOULD be taken from RSOtherVehicleObjectVS
                                                                                                                                                                                                                                                                                                        (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-OtherVehicleObject)
                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                        292. Observation.component:PositionOfPatient
                                                                                                                                                                                                                                                                                                        Slice NamePositionOfPatient
                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                        294. Observation.component:PositionOfPatient.value[x]
                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                        • 296. Observation.component:PositionOfPatient.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                          Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                          BindingThe codes SHOULD be taken from RSPatientPositionVS
                                                                                                                                                                                                                                                                                                          (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-PatientPosition)
                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                          298. Observation.component:SafetyAccessories
                                                                                                                                                                                                                                                                                                          Slice NameSafetyAccessories
                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                          300. Observation.component:SafetyAccessories.value[x]
                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                          • 302. Observation.component:SafetyAccessories.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                            Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                            BindingThe codes SHOULD be taken from RSSafetyAccessoriesVS
                                                                                                                                                                                                                                                                                                            (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-SafetyAccessories)
                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                            304. Observation.component:OtherRiskFactors
                                                                                                                                                                                                                                                                                                            Slice NameOtherRiskFactors
                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                            306. Observation.component:OtherRiskFactors.value[x]
                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                            • 308. Observation.component:OtherRiskFactors.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                              Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                              BindingThe codes SHOULD be taken from RSRiskFactorsVS
                                                                                                                                                                                                                                                                                                              (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-RiskFactors)
                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                              310. Observation.component:BloodAlcoholConcentration
                                                                                                                                                                                                                                                                                                              Slice NameBloodAlcoholConcentration
                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                              312. Observation.component:BloodAlcoholConcentration.value[x]
                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                              • 314. Observation.component:BloodAlcoholConcentration.value[x]:valueQuantity
                                                                                                                                                                                                                                                                                                                Slice NamevalueQuantity
                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                TypeQuantity
                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                316. Observation.component:InjuryAbrasion
                                                                                                                                                                                                                                                                                                                Slice NameInjuryAbrasion
                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                Must Supporttrue
                                                                                                                                                                                                                                                                                                                318. Observation.component:InjuryAbrasion.code
                                                                                                                                                                                                                                                                                                                Pattern Value{
                                                                                                                                                                                                                                                                                                                  "coding" : [{
                                                                                                                                                                                                                                                                                                                    "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                    "code" : "399963005",
                                                                                                                                                                                                                                                                                                                    "display" : "Abrasion (disorder)"
                                                                                                                                                                                                                                                                                                                  }]
                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                320. Observation.component:InjuryAbrasion.value[x]
                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                • 322. Observation.component:InjuryAbrasion.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                  Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                  Typeboolean
                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                  Must Supporttrue
                                                                                                                                                                                                                                                                                                                  324. Observation.component:InjuryAvulsion
                                                                                                                                                                                                                                                                                                                  Slice NameInjuryAvulsion
                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                  Must Supporttrue
                                                                                                                                                                                                                                                                                                                  326. Observation.component:InjuryAvulsion.code
                                                                                                                                                                                                                                                                                                                  Pattern Value{
                                                                                                                                                                                                                                                                                                                    "coding" : [{
                                                                                                                                                                                                                                                                                                                      "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                      "code" : "284554003",
                                                                                                                                                                                                                                                                                                                      "display" : "Avulsion - injury (disorder)"
                                                                                                                                                                                                                                                                                                                    }]
                                                                                                                                                                                                                                                                                                                  }
                                                                                                                                                                                                                                                                                                                  328. Observation.component:InjuryAvulsion.value[x]
                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                  • 330. Observation.component:InjuryAvulsion.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                    Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                    Typeboolean
                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                    Must Supporttrue
                                                                                                                                                                                                                                                                                                                    332. Observation.component:InjuryBurnGeneral
                                                                                                                                                                                                                                                                                                                    Slice NameInjuryBurnGeneral
                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                    Must Supporttrue
                                                                                                                                                                                                                                                                                                                    334. Observation.component:InjuryBurnGeneral.code
                                                                                                                                                                                                                                                                                                                    Pattern Value{
                                                                                                                                                                                                                                                                                                                      "coding" : [{
                                                                                                                                                                                                                                                                                                                        "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                        "code" : "125666000",
                                                                                                                                                                                                                                                                                                                        "display" : "Burn (disorder)"
                                                                                                                                                                                                                                                                                                                      }]
                                                                                                                                                                                                                                                                                                                    }
                                                                                                                                                                                                                                                                                                                    336. Observation.component:InjuryBurnGeneral.value[x]
                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                    • 338. Observation.component:InjuryBurnGeneral.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                      Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                      Typeboolean
                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                      Must Supporttrue
                                                                                                                                                                                                                                                                                                                      340. Observation.component:InjuryBurn1st
                                                                                                                                                                                                                                                                                                                      Slice NameInjuryBurn1st
                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                      342. Observation.component:InjuryBurn1st.code
                                                                                                                                                                                                                                                                                                                      Pattern Value{
                                                                                                                                                                                                                                                                                                                        "coding" : [{
                                                                                                                                                                                                                                                                                                                          "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                          "code" : "77140003",
                                                                                                                                                                                                                                                                                                                          "display" : "First degree burn injury (morphologic abnormality)"
                                                                                                                                                                                                                                                                                                                        }]
                                                                                                                                                                                                                                                                                                                      }
                                                                                                                                                                                                                                                                                                                      344. Observation.component:InjuryBurn1st.value[x]
                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                      • 346. Observation.component:InjuryBurn1st.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                        Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                        Typeboolean
                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                        348. Observation.component:InjuryBurn2nd
                                                                                                                                                                                                                                                                                                                        Slice NameInjuryBurn2nd
                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                        350. Observation.component:InjuryBurn2nd.code
                                                                                                                                                                                                                                                                                                                        Pattern Value{
                                                                                                                                                                                                                                                                                                                          "coding" : [{
                                                                                                                                                                                                                                                                                                                            "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                            "code" : "46541008",
                                                                                                                                                                                                                                                                                                                            "display" : "Second degree burn injury (morphologic abnormality)"
                                                                                                                                                                                                                                                                                                                          }]
                                                                                                                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                                                                                                        352. Observation.component:InjuryBurn2nd.value[x]
                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                        • 354. Observation.component:InjuryBurn2nd.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                          Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                          Typeboolean
                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                          356. Observation.component:InjuryBurn3rd
                                                                                                                                                                                                                                                                                                                          Slice NameInjuryBurn3rd
                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                          358. Observation.component:InjuryBurn3rd.code
                                                                                                                                                                                                                                                                                                                          Pattern Value{
                                                                                                                                                                                                                                                                                                                            "coding" : [{
                                                                                                                                                                                                                                                                                                                              "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                              "code" : "80247002",
                                                                                                                                                                                                                                                                                                                              "display" : "Third degree burn injury (morphologic abnormality)"
                                                                                                                                                                                                                                                                                                                            }]
                                                                                                                                                                                                                                                                                                                          }
                                                                                                                                                                                                                                                                                                                          360. Observation.component:InjuryBurn3rd.value[x]
                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                          • 362. Observation.component:InjuryBurn3rd.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                            Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                            Typeboolean
                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                            364. Observation.component:InjuryBurn4th
                                                                                                                                                                                                                                                                                                                            Slice NameInjuryBurn4th
                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                            366. Observation.component:InjuryBurn4th.code
                                                                                                                                                                                                                                                                                                                            Pattern Value{
                                                                                                                                                                                                                                                                                                                              "coding" : [{
                                                                                                                                                                                                                                                                                                                                "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                "code" : "770400008",
                                                                                                                                                                                                                                                                                                                                "display" : "Fourth degree burn injury (morphologic abnormality)"
                                                                                                                                                                                                                                                                                                                              }]
                                                                                                                                                                                                                                                                                                                            }
                                                                                                                                                                                                                                                                                                                            368. Observation.component:InjuryBurn4th.value[x]
                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                            • 370. Observation.component:InjuryBurn4th.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                              Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                              Typeboolean
                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                              372. Observation.component:InjuryConcussion
                                                                                                                                                                                                                                                                                                                              Slice NameInjuryConcussion
                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                              Must Supporttrue
                                                                                                                                                                                                                                                                                                                              374. Observation.component:InjuryConcussion.code
                                                                                                                                                                                                                                                                                                                              Pattern Value{
                                                                                                                                                                                                                                                                                                                                "coding" : [{
                                                                                                                                                                                                                                                                                                                                  "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                  "code" : "110030002",
                                                                                                                                                                                                                                                                                                                                  "display" : "Concussion injury of brain (disorder)"
                                                                                                                                                                                                                                                                                                                                }]
                                                                                                                                                                                                                                                                                                                              }
                                                                                                                                                                                                                                                                                                                              376. Observation.component:InjuryConcussion.value[x]
                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                                              • 378. Observation.component:InjuryConcussion.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                Typeboolean
                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                Must Supporttrue
                                                                                                                                                                                                                                                                                                                                380. Observation.component:InjuryContusion
                                                                                                                                                                                                                                                                                                                                Slice NameInjuryContusion
                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                Must Supporttrue
                                                                                                                                                                                                                                                                                                                                382. Observation.component:InjuryContusion.code
                                                                                                                                                                                                                                                                                                                                Pattern Value{
                                                                                                                                                                                                                                                                                                                                  "coding" : [{
                                                                                                                                                                                                                                                                                                                                    "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                    "code" : "125667009",
                                                                                                                                                                                                                                                                                                                                    "display" : "Contusion (disorder)"
                                                                                                                                                                                                                                                                                                                                  }]
                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                                384. Observation.component:InjuryContusion.value[x]
                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                • 386. Observation.component:InjuryContusion.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                  Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                  Typeboolean
                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                  Must Supporttrue
                                                                                                                                                                                                                                                                                                                                  388. Observation.component:InjuryFractureAny
                                                                                                                                                                                                                                                                                                                                  Slice NameInjuryFractureAny
                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                  Must Supporttrue
                                                                                                                                                                                                                                                                                                                                  390. Observation.component:InjuryFractureAny.code
                                                                                                                                                                                                                                                                                                                                  Pattern Value{
                                                                                                                                                                                                                                                                                                                                    "coding" : [{
                                                                                                                                                                                                                                                                                                                                      "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                      "code" : "72704001",
                                                                                                                                                                                                                                                                                                                                      "display" : "Fracture (morphologic abnormality)"
                                                                                                                                                                                                                                                                                                                                    }]
                                                                                                                                                                                                                                                                                                                                  }
                                                                                                                                                                                                                                                                                                                                  392. Observation.component:InjuryFractureAny.value[x]
                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                  • 394. Observation.component:InjuryFractureAny.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                    Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                    Typeboolean
                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                    Must Supporttrue
                                                                                                                                                                                                                                                                                                                                    396. Observation.component:InjuryFractureClosed
                                                                                                                                                                                                                                                                                                                                    Slice NameInjuryFractureClosed
                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                    398. Observation.component:InjuryFractureClosed.code
                                                                                                                                                                                                                                                                                                                                    Pattern Value{
                                                                                                                                                                                                                                                                                                                                      "coding" : [{
                                                                                                                                                                                                                                                                                                                                        "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                        "code" : "423125000",
                                                                                                                                                                                                                                                                                                                                        "display" : "Closed fracture of bone (disorder)"
                                                                                                                                                                                                                                                                                                                                      }]
                                                                                                                                                                                                                                                                                                                                    }
                                                                                                                                                                                                                                                                                                                                    400. Observation.component:InjuryFractureClosed.value[x]
                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                                    • 402. Observation.component:InjuryFractureClosed.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                      Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                      Typeboolean
                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                      404. Observation.component:InjuryFractureOpen
                                                                                                                                                                                                                                                                                                                                      Slice NameInjuryFractureOpen
                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                      406. Observation.component:InjuryFractureOpen.code
                                                                                                                                                                                                                                                                                                                                      Pattern Value{
                                                                                                                                                                                                                                                                                                                                        "coding" : [{
                                                                                                                                                                                                                                                                                                                                          "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                          "code" : "397181002",
                                                                                                                                                                                                                                                                                                                                          "display" : "Open fracture (disorder)"
                                                                                                                                                                                                                                                                                                                                        }]
                                                                                                                                                                                                                                                                                                                                      }
                                                                                                                                                                                                                                                                                                                                      408. Observation.component:InjuryFractureOpen.value[x]
                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                      • 410. Observation.component:InjuryFractureOpen.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                        Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                        Typeboolean
                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                        412. Observation.component:InjuryOpenWound
                                                                                                                                                                                                                                                                                                                                        Slice NameInjuryOpenWound
                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                        Must Supporttrue
                                                                                                                                                                                                                                                                                                                                        414. Observation.component:InjuryOpenWound.code
                                                                                                                                                                                                                                                                                                                                        Pattern Value{
                                                                                                                                                                                                                                                                                                                                          "coding" : [{
                                                                                                                                                                                                                                                                                                                                            "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                            "code" : "125643001",
                                                                                                                                                                                                                                                                                                                                            "display" : "Open wound (disorder)"
                                                                                                                                                                                                                                                                                                                                          }]
                                                                                                                                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                                                                                                                        416. Observation.component:InjuryOpenWound.value[x]
                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                        • 418. Observation.component:InjuryOpenWound.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                          Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                          Typeboolean
                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                          Must Supporttrue
                                                                                                                                                                                                                                                                                                                                          420. Observation.component:InjuryTraumaticAmputation
                                                                                                                                                                                                                                                                                                                                          Slice NameInjuryTraumaticAmputation
                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                          Must Supporttrue
                                                                                                                                                                                                                                                                                                                                          422. Observation.component:InjuryTraumaticAmputation.code
                                                                                                                                                                                                                                                                                                                                          Pattern Value{
                                                                                                                                                                                                                                                                                                                                            "coding" : [{
                                                                                                                                                                                                                                                                                                                                              "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                              "code" : "262595009",
                                                                                                                                                                                                                                                                                                                                              "display" : "Traumatic amputation (disorder)"
                                                                                                                                                                                                                                                                                                                                            }]
                                                                                                                                                                                                                                                                                                                                          }
                                                                                                                                                                                                                                                                                                                                          424. Observation.component:InjuryTraumaticAmputation.value[x]
                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                          • 426. Observation.component:InjuryTraumaticAmputation.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                            Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                            Typeboolean
                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                            Must Supporttrue
                                                                                                                                                                                                                                                                                                                                            428. Observation.component:InjuryOther
                                                                                                                                                                                                                                                                                                                                            Slice NameInjuryOther
                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                            Must Supporttrue
                                                                                                                                                                                                                                                                                                                                            430. Observation.component:InjuryOther.code
                                                                                                                                                                                                                                                                                                                                            432. Observation.component:InjuryOther.code.text
                                                                                                                                                                                                                                                                                                                                            Control1..?
                                                                                                                                                                                                                                                                                                                                            434. Observation.component:InjuryOther.value[x]
                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                            • 436. Observation.component:InjuryOther.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                              Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                              Typeboolean
                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                              Must Supporttrue
                                                                                                                                                                                                                                                                                                                                              438. Observation.component:External_BitesStings
                                                                                                                                                                                                                                                                                                                                              Slice NameExternal_BitesStings
                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                              440. Observation.component:External_BitesStings.code
                                                                                                                                                                                                                                                                                                                                              442. Observation.component:External_BitesStings.code.text
                                                                                                                                                                                                                                                                                                                                              Pattern ValueBites/stings
                                                                                                                                                                                                                                                                                                                                              444. Observation.component:External_BitesStings.value[x]
                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                                                              • 446. Observation.component:External_BitesStings.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                Typeboolean
                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                448. Observation.component:External_BitesStings_Specify
                                                                                                                                                                                                                                                                                                                                                Slice NameExternal_BitesStings_Specify
                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                450. Observation.component:External_BitesStings_Specify.code
                                                                                                                                                                                                                                                                                                                                                452. Observation.component:External_BitesStings_Specify.code.text
                                                                                                                                                                                                                                                                                                                                                Pattern ValueSpecify animal/insect
                                                                                                                                                                                                                                                                                                                                                454. Observation.component:External_BitesStings_Specify.value[x]
                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                                • 456. Observation.component:External_BitesStings_Specify.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                  Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                  458. Observation.component:External_Burns
                                                                                                                                                                                                                                                                                                                                                  Slice NameExternal_Burns
                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                  460. Observation.component:External_Burns.code
                                                                                                                                                                                                                                                                                                                                                  Pattern Value{
                                                                                                                                                                                                                                                                                                                                                    "coding" : [{
                                                                                                                                                                                                                                                                                                                                                      "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                      "code" : "125666000",
                                                                                                                                                                                                                                                                                                                                                      "display" : "Burn (disorder)"
                                                                                                                                                                                                                                                                                                                                                    }]
                                                                                                                                                                                                                                                                                                                                                  }
                                                                                                                                                                                                                                                                                                                                                  462. Observation.component:External_Burns.value[x]
                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                  • 464. Observation.component:External_Burns.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                    Typeboolean
                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                    466. Observation.component:External_Burns_Specify
                                                                                                                                                                                                                                                                                                                                                    Slice NameExternal_Burns_Specify
                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                    468. Observation.component:External_Burns_Specify.code
                                                                                                                                                                                                                                                                                                                                                    Pattern Value{
                                                                                                                                                                                                                                                                                                                                                      "coding" : [{
                                                                                                                                                                                                                                                                                                                                                        "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                        "code" : "88999006",
                                                                                                                                                                                                                                                                                                                                                        "display" : "Heat (physical force)"
                                                                                                                                                                                                                                                                                                                                                      }]
                                                                                                                                                                                                                                                                                                                                                    }
                                                                                                                                                                                                                                                                                                                                                    470. Observation.component:External_Burns_Specify.value[x]
                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                                                    • 472. Observation.component:External_Burns_Specify.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                      Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                      474. Observation.component:External_Burns_OtherText
                                                                                                                                                                                                                                                                                                                                                      Slice NameExternal_Burns_OtherText
                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                      476. Observation.component:External_Burns_OtherText.code
                                                                                                                                                                                                                                                                                                                                                      478. Observation.component:External_Burns_OtherText.code.text
                                                                                                                                                                                                                                                                                                                                                      Pattern ValueBurns - Others, specify
                                                                                                                                                                                                                                                                                                                                                      480. Observation.component:External_Burns_OtherText.value[x]
                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                      • 482. Observation.component:External_Burns_OtherText.value[x]:valueString
                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueString
                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                        484. Observation.component:External_Chemical
                                                                                                                                                                                                                                                                                                                                                        Slice NameExternal_Chemical
                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                        486. Observation.component:External_Chemical.code
                                                                                                                                                                                                                                                                                                                                                        488. Observation.component:External_Chemical.code.text
                                                                                                                                                                                                                                                                                                                                                        Pattern ValueChemical/substance
                                                                                                                                                                                                                                                                                                                                                        490. Observation.component:External_Chemical.value[x]
                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                                        • 492. Observation.component:External_Chemical.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                          Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                          Typeboolean
                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                          494. Observation.component:External_Chemical_Specify
                                                                                                                                                                                                                                                                                                                                                          Slice NameExternal_Chemical_Specify
                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                          496. Observation.component:External_Chemical_Specify.code
                                                                                                                                                                                                                                                                                                                                                          498. Observation.component:External_Chemical_Specify.code.text
                                                                                                                                                                                                                                                                                                                                                          Pattern ValueChemical/substance, specify
                                                                                                                                                                                                                                                                                                                                                          500. Observation.component:External_Chemical_Specify.value[x]
                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                                          • 502. Observation.component:External_Chemical_Specify.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                            Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                            504. Observation.component:External_ContactSharp
                                                                                                                                                                                                                                                                                                                                                            Slice NameExternal_ContactSharp
                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                            506. Observation.component:External_ContactSharp.code
                                                                                                                                                                                                                                                                                                                                                            508. Observation.component:External_ContactSharp.code.text
                                                                                                                                                                                                                                                                                                                                                            Pattern ValueContact with sharp objects
                                                                                                                                                                                                                                                                                                                                                            510. Observation.component:External_ContactSharp.value[x]
                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                                            • 512. Observation.component:External_ContactSharp.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                              Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                              Typeboolean
                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                              514. Observation.component:External_ContactSharp_Specify
                                                                                                                                                                                                                                                                                                                                                              Slice NameExternal_ContactSharp_Specify
                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                              516. Observation.component:External_ContactSharp_Specify.code
                                                                                                                                                                                                                                                                                                                                                              518. Observation.component:External_ContactSharp_Specify.code.text
                                                                                                                                                                                                                                                                                                                                                              Pattern ValueContact with sharp objects, specify
                                                                                                                                                                                                                                                                                                                                                              520. Observation.component:External_ContactSharp_Specify.value[x]
                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                                                                              • 522. Observation.component:External_ContactSharp_Specify.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                524. Observation.component:External_Drowning
                                                                                                                                                                                                                                                                                                                                                                Slice NameExternal_Drowning
                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                526. Observation.component:External_Drowning.code
                                                                                                                                                                                                                                                                                                                                                                Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                  "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                    "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                    "code" : "40947009",
                                                                                                                                                                                                                                                                                                                                                                    "display" : "Drowning (event)"
                                                                                                                                                                                                                                                                                                                                                                  }]
                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                                                                528. Observation.component:External_Drowning.value[x]
                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                                                • 530. Observation.component:External_Drowning.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                  Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                  Typeboolean
                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                  532. Observation.component:External_Drowning_Type
                                                                                                                                                                                                                                                                                                                                                                  Slice NameExternal_Drowning_Type
                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                  534. Observation.component:External_Drowning_Type.code
                                                                                                                                                                                                                                                                                                                                                                  Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                    "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                      "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                      "code" : "225742004",
                                                                                                                                                                                                                                                                                                                                                                      "display" : "Sea (environment)"
                                                                                                                                                                                                                                                                                                                                                                    }]
                                                                                                                                                                                                                                                                                                                                                                  }
                                                                                                                                                                                                                                                                                                                                                                  536. Observation.component:External_Drowning_Type.value[x]
                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                  • 538. Observation.component:External_Drowning_Type.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                    540. Observation.component:External_Drowning_OtherText
                                                                                                                                                                                                                                                                                                                                                                    Slice NameExternal_Drowning_OtherText
                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                    542. Observation.component:External_Drowning_OtherText.code
                                                                                                                                                                                                                                                                                                                                                                    544. Observation.component:External_Drowning_OtherText.code.text
                                                                                                                                                                                                                                                                                                                                                                    Pattern ValueDrowning - Others, specify
                                                                                                                                                                                                                                                                                                                                                                    546. Observation.component:External_Drowning_OtherText.value[x]
                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                                                                    • 548. Observation.component:External_Drowning_OtherText.value[x]:valueString
                                                                                                                                                                                                                                                                                                                                                                      Slice NamevalueString
                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                      550. Observation.component:External_ExposureForces
                                                                                                                                                                                                                                                                                                                                                                      Slice NameExternal_ExposureForces
                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                      552. Observation.component:External_ExposureForces.code
                                                                                                                                                                                                                                                                                                                                                                      554. Observation.component:External_ExposureForces.code.text
                                                                                                                                                                                                                                                                                                                                                                      Pattern ValueExposure to forces of nature
                                                                                                                                                                                                                                                                                                                                                                      556. Observation.component:External_ExposureForces.value[x]
                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                                      • 558. Observation.component:External_ExposureForces.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                        Typeboolean
                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                        560. Observation.component:External_ExposureForces.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                        BindingThe codes SHOULD be taken from External Cause ValueSet (example)
                                                                                                                                                                                                                                                                                                                                                                        (preferred to https://build.fhir.org/ig/UPM-NTHC/PH-RoadSafetyIG/ValueSet/external-cause-vs)
                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                        562. Observation.component:External_Fall
                                                                                                                                                                                                                                                                                                                                                                        Slice NameExternal_Fall
                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                        564. Observation.component:External_Fall.code
                                                                                                                                                                                                                                                                                                                                                                        Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                          "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                            "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                            "code" : "1912002",
                                                                                                                                                                                                                                                                                                                                                                            "display" : "Fall (event)"
                                                                                                                                                                                                                                                                                                                                                                          }]
                                                                                                                                                                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                                                                                                                                                        566. Observation.component:External_Fall.value[x]
                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                                                        • 568. Observation.component:External_Fall.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                          Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                          Typeboolean
                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                          570. Observation.component:External_Fall_Specify
                                                                                                                                                                                                                                                                                                                                                                          Slice NameExternal_Fall_Specify
                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                          572. Observation.component:External_Fall_Specify.code
                                                                                                                                                                                                                                                                                                                                                                          574. Observation.component:External_Fall_Specify.code.text
                                                                                                                                                                                                                                                                                                                                                                          Pattern ValueFall - specify location/type
                                                                                                                                                                                                                                                                                                                                                                          576. Observation.component:External_Fall_Specify.value[x]
                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                                                          • 578. Observation.component:External_Fall_Specify.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                            Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                            580. Observation.component:External_Firecracker
                                                                                                                                                                                                                                                                                                                                                                            Slice NameExternal_Firecracker
                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                            582. Observation.component:External_Firecracker.code
                                                                                                                                                                                                                                                                                                                                                                            584. Observation.component:External_Firecracker.code.text
                                                                                                                                                                                                                                                                                                                                                                            Pattern ValueFirecracker
                                                                                                                                                                                                                                                                                                                                                                            586. Observation.component:External_Firecracker.value[x]
                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                                                            • 588. Observation.component:External_Firecracker.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                              Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                              Typeboolean
                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                              590. Observation.component:External_Firecracker_Specify
                                                                                                                                                                                                                                                                                                                                                                              Slice NameExternal_Firecracker_Specify
                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                              592. Observation.component:External_Firecracker_Specify.code
                                                                                                                                                                                                                                                                                                                                                                              594. Observation.component:External_Firecracker_Specify.code.text
                                                                                                                                                                                                                                                                                                                                                                              Pattern ValueFirecracker - specify
                                                                                                                                                                                                                                                                                                                                                                              596. Observation.component:External_Firecracker_Specify.value[x]
                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                                                                                              • 598. Observation.component:External_Firecracker_Specify.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                600. Observation.component:External_Gunshot
                                                                                                                                                                                                                                                                                                                                                                                Slice NameExternal_Gunshot
                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                602. Observation.component:External_Gunshot.code
                                                                                                                                                                                                                                                                                                                                                                                604. Observation.component:External_Gunshot.code.text
                                                                                                                                                                                                                                                                                                                                                                                Pattern ValueGunshot
                                                                                                                                                                                                                                                                                                                                                                                606. Observation.component:External_Gunshot.value[x]
                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                • 608. Observation.component:External_Gunshot.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                  Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                  Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                  610. Observation.component:External_Gunshot_Specify
                                                                                                                                                                                                                                                                                                                                                                                  Slice NameExternal_Gunshot_Specify
                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                  612. Observation.component:External_Gunshot_Specify.code
                                                                                                                                                                                                                                                                                                                                                                                  614. Observation.component:External_Gunshot_Specify.code.text
                                                                                                                                                                                                                                                                                                                                                                                  Pattern ValueGunshot - specify weapon
                                                                                                                                                                                                                                                                                                                                                                                  616. Observation.component:External_Gunshot_Specify.value[x]
                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                  • 618. Observation.component:External_Gunshot_Specify.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                    620. Observation.component:External_Hanging
                                                                                                                                                                                                                                                                                                                                                                                    Slice NameExternal_Hanging
                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                    622. Observation.component:External_Hanging.code
                                                                                                                                                                                                                                                                                                                                                                                    624. Observation.component:External_Hanging.code.text
                                                                                                                                                                                                                                                                                                                                                                                    Pattern ValueHanging/Strangulation
                                                                                                                                                                                                                                                                                                                                                                                    626. Observation.component:External_Hanging.value[x]
                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                    • 628. Observation.component:External_Hanging.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                      Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                      Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                      630. Observation.component:External_MaulingAssault
                                                                                                                                                                                                                                                                                                                                                                                      Slice NameExternal_MaulingAssault
                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                      632. Observation.component:External_MaulingAssault.code
                                                                                                                                                                                                                                                                                                                                                                                      634. Observation.component:External_MaulingAssault.code.text
                                                                                                                                                                                                                                                                                                                                                                                      Pattern ValueMauling/Assault
                                                                                                                                                                                                                                                                                                                                                                                      636. Observation.component:External_MaulingAssault.value[x]
                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                      • 638. Observation.component:External_MaulingAssault.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                        Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                        640. Observation.component:External_SexualAssault
                                                                                                                                                                                                                                                                                                                                                                                        Slice NameExternal_SexualAssault
                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                        642. Observation.component:External_SexualAssault.code
                                                                                                                                                                                                                                                                                                                                                                                        644. Observation.component:External_SexualAssault.code.text
                                                                                                                                                                                                                                                                                                                                                                                        Pattern ValueSexual Assault/ Sexual Abuse/ Rape (Alleged)
                                                                                                                                                                                                                                                                                                                                                                                        646. Observation.component:External_SexualAssault.value[x]
                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                        • 648. Observation.component:External_SexualAssault.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                          Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                          Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                          650. Observation.component:External_TransportVehicularAccident
                                                                                                                                                                                                                                                                                                                                                                                          Slice NameExternal_TransportVehicularAccident
                                                                                                                                                                                                                                                                                                                                                                                          Control1..1
                                                                                                                                                                                                                                                                                                                                                                                          652. Observation.component:External_TransportVehicularAccident.code
                                                                                                                                                                                                                                                                                                                                                                                          Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                            "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                              "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                              "code" : "274215009",
                                                                                                                                                                                                                                                                                                                                                                                              "display" : "Transport accident (event)"
                                                                                                                                                                                                                                                                                                                                                                                            }]
                                                                                                                                                                                                                                                                                                                                                                                          }
                                                                                                                                                                                                                                                                                                                                                                                          654. Observation.component:External_TransportVehicularAccident.value[x]
                                                                                                                                                                                                                                                                                                                                                                                          Control1..?
                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                          • 656. Observation.component:External_TransportVehicularAccident.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                            Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                            Control1..1
                                                                                                                                                                                                                                                                                                                                                                                            Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                            658. Observation.component:External_Others
                                                                                                                                                                                                                                                                                                                                                                                            Slice NameExternal_Others
                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                            660. Observation.component:External_Others.code
                                                                                                                                                                                                                                                                                                                                                                                            662. Observation.component:External_Others.code.text
                                                                                                                                                                                                                                                                                                                                                                                            Pattern ValueOthers (external cause)
                                                                                                                                                                                                                                                                                                                                                                                            664. Observation.component:External_Others.value[x]
                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                            • 666. Observation.component:External_Others.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                              Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                              Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                              668. Observation.component:External_Others_Specify
                                                                                                                                                                                                                                                                                                                                                                                              Slice NameExternal_Others_Specify
                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                              670. Observation.component:External_Others_Specify.code
                                                                                                                                                                                                                                                                                                                                                                                              672. Observation.component:External_Others_Specify.code.text
                                                                                                                                                                                                                                                                                                                                                                                              Pattern ValueOthers, specify
                                                                                                                                                                                                                                                                                                                                                                                              674. Observation.component:External_Others_Specify.value[x]
                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                              • 676. Observation.component:External_Others_Specify.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                678. Observation.component:DateReceived
                                                                                                                                                                                                                                                                                                                                                                                                Slice NameDateReceived
                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                680. Observation.component:DateReceived.code
                                                                                                                                                                                                                                                                                                                                                                                                Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                  "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                    "system" : "http://loinc.org",
                                                                                                                                                                                                                                                                                                                                                                                                    "code" : "30976-5",
                                                                                                                                                                                                                                                                                                                                                                                                    "display" : "Date received Form"
                                                                                                                                                                                                                                                                                                                                                                                                  }]
                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                                                                                                682. Observation.component:DateReceived.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                • 684. Observation.component:DateReceived.value[x]:valueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                  Slice NamevalueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                  TypedateTime
                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                  686. Observation.component:TimeReceived
                                                                                                                                                                                                                                                                                                                                                                                                  Slice NameTimeReceived
                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                  688. Observation.component:TimeReceived.code
                                                                                                                                                                                                                                                                                                                                                                                                  690. Observation.component:TimeReceived.code.text
                                                                                                                                                                                                                                                                                                                                                                                                  Pattern ValueTime received
                                                                                                                                                                                                                                                                                                                                                                                                  692. Observation.component:TimeReceived.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                  • 694. Observation.component:TimeReceived.value[x]:valueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                    TypedateTime
                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                    696. Observation.component:TimeEnroute
                                                                                                                                                                                                                                                                                                                                                                                                    Slice NameTimeEnroute
                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                    698. Observation.component:TimeEnroute.code
                                                                                                                                                                                                                                                                                                                                                                                                    700. Observation.component:TimeEnroute.code.text
                                                                                                                                                                                                                                                                                                                                                                                                    Pattern ValueTime enroute (dispatched)
                                                                                                                                                                                                                                                                                                                                                                                                    702. Observation.component:TimeEnroute.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                    • 704. Observation.component:TimeEnroute.value[x]:valueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                      Slice NamevalueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                      TypedateTime
                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                      706. Observation.component:TimeOnScene
                                                                                                                                                                                                                                                                                                                                                                                                      Slice NameTimeOnScene
                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                      708. Observation.component:TimeOnScene.code
                                                                                                                                                                                                                                                                                                                                                                                                      710. Observation.component:TimeOnScene.code.text
                                                                                                                                                                                                                                                                                                                                                                                                      Pattern ValueTime on scene
                                                                                                                                                                                                                                                                                                                                                                                                      712. Observation.component:TimeOnScene.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                      • 714. Observation.component:TimeOnScene.value[x]:valueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                        TypedateTime
                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                        716. Observation.component:TimeDeparted
                                                                                                                                                                                                                                                                                                                                                                                                        Slice NameTimeDeparted
                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                        718. Observation.component:TimeDeparted.code
                                                                                                                                                                                                                                                                                                                                                                                                        720. Observation.component:TimeDeparted.code.text
                                                                                                                                                                                                                                                                                                                                                                                                        Pattern ValueTime departed scene
                                                                                                                                                                                                                                                                                                                                                                                                        722. Observation.component:TimeDeparted.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                        • 724. Observation.component:TimeDeparted.value[x]:valueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                          Slice NamevalueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                          TypedateTime
                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                          726. Observation.component:TimeHospitalArrival
                                                                                                                                                                                                                                                                                                                                                                                                          Slice NameTimeHospitalArrival
                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                          728. Observation.component:TimeHospitalArrival.code
                                                                                                                                                                                                                                                                                                                                                                                                          730. Observation.component:TimeHospitalArrival.code.text
                                                                                                                                                                                                                                                                                                                                                                                                          Pattern ValueTime of hospital arrival
                                                                                                                                                                                                                                                                                                                                                                                                          732. Observation.component:TimeHospitalArrival.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                          • 734. Observation.component:TimeHospitalArrival.value[x]:valueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                            Slice NamevalueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                            TypedateTime
                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                            736. Observation.component:TimeStationArrival
                                                                                                                                                                                                                                                                                                                                                                                                            Slice NameTimeStationArrival
                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                            738. Observation.component:TimeStationArrival.code
                                                                                                                                                                                                                                                                                                                                                                                                            740. Observation.component:TimeStationArrival.code.text
                                                                                                                                                                                                                                                                                                                                                                                                            Pattern ValueTime of emergency station arrival
                                                                                                                                                                                                                                                                                                                                                                                                            742. Observation.component:TimeStationArrival.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                            • 744. Observation.component:TimeStationArrival.value[x]:valueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                              Slice NamevalueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                              TypedateTime
                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                              746. Observation.component:TransferredFromFacility
                                                                                                                                                                                                                                                                                                                                                                                                              Slice NameTransferredFromFacility
                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                              748. Observation.component:TransferredFromFacility.code
                                                                                                                                                                                                                                                                                                                                                                                                              750. Observation.component:TransferredFromFacility.code.text
                                                                                                                                                                                                                                                                                                                                                                                                              Pattern ValueTransferred from another hospital/facility
                                                                                                                                                                                                                                                                                                                                                                                                              752. Observation.component:TransferredFromFacility.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                              • 754. Observation.component:TransferredFromFacility.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                756. Observation.component:ReferredFromFacility
                                                                                                                                                                                                                                                                                                                                                                                                                Slice NameReferredFromFacility
                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                758. Observation.component:ReferredFromFacility.code
                                                                                                                                                                                                                                                                                                                                                                                                                760. Observation.component:ReferredFromFacility.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                Pattern ValueReferred by another hospital/facility
                                                                                                                                                                                                                                                                                                                                                                                                                762. Observation.component:ReferredFromFacility.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                • 764. Observation.component:ReferredFromFacility.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                  Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                  766. Observation.component:HowManyVehiclesInvolved
                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NameHowManyVehiclesInvolved
                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                  768. Observation.component:HowManyVehiclesInvolved.code
                                                                                                                                                                                                                                                                                                                                                                                                                  770. Observation.component:HowManyVehiclesInvolved.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                  Pattern ValueHow many vehicles involved
                                                                                                                                                                                                                                                                                                                                                                                                                  772. Observation.component:HowManyVehiclesInvolved.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                  • 774. Observation.component:HowManyVehiclesInvolved.value[x]:valueInteger
                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueInteger
                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                    Typeinteger
                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                    776. Observation.component:HowManyPatientsInvolved
                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NameHowManyPatientsInvolved
                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                    778. Observation.component:HowManyPatientsInvolved.code
                                                                                                                                                                                                                                                                                                                                                                                                                    780. Observation.component:HowManyPatientsInvolved.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                    Pattern ValueHow many patients involved
                                                                                                                                                                                                                                                                                                                                                                                                                    782. Observation.component:HowManyPatientsInvolved.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                    • 784. Observation.component:HowManyPatientsInvolved.value[x]:valueInteger
                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NamevalueInteger
                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                      Typeinteger
                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                      786. Observation.component:CCTV_Reconstruction
                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NameCCTV_Reconstruction
                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                      788. Observation.component:CCTV_Reconstruction.code
                                                                                                                                                                                                                                                                                                                                                                                                                      790. Observation.component:CCTV_Reconstruction.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                      Pattern ValueCCTV video, reconstruction of what happened
                                                                                                                                                                                                                                                                                                                                                                                                                      792. Observation.component:CCTV_Reconstruction.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                      • 794. Observation.component:CCTV_Reconstruction.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                        Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                        796. Observation.component:Exposure_Heat
                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NameExposure_Heat
                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                        798. Observation.component:Exposure_Heat.code
                                                                                                                                                                                                                                                                                                                                                                                                                        Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                          "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                            "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                            "code" : "88999006",
                                                                                                                                                                                                                                                                                                                                                                                                                            "display" : "Heat (physical force)"
                                                                                                                                                                                                                                                                                                                                                                                                                          }]
                                                                                                                                                                                                                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                                                                                                                                                                                                        800. Observation.component:Exposure_Heat.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                        • 802. Observation.component:Exposure_Heat.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                          Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                          804. Observation.component:Exposure_Fire
                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NameExposure_Fire
                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                          806. Observation.component:Exposure_Fire.code
                                                                                                                                                                                                                                                                                                                                                                                                                          Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                            "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                              "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                              "code" : "80032004",
                                                                                                                                                                                                                                                                                                                                                                                                                              "display" : "Fire (physical force)"
                                                                                                                                                                                                                                                                                                                                                                                                                            }]
                                                                                                                                                                                                                                                                                                                                                                                                                          }
                                                                                                                                                                                                                                                                                                                                                                                                                          808. Observation.component:Exposure_Fire.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                          • 810. Observation.component:Exposure_Fire.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                            Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                            812. Observation.component:Exposure_Electricity
                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NameExposure_Electricity
                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                            814. Observation.component:Exposure_Electricity.code
                                                                                                                                                                                                                                                                                                                                                                                                                            Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                              "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                "code" : "18213006",
                                                                                                                                                                                                                                                                                                                                                                                                                                "display" : "Electricity (physical force)"
                                                                                                                                                                                                                                                                                                                                                                                                                              }]
                                                                                                                                                                                                                                                                                                                                                                                                                            }
                                                                                                                                                                                                                                                                                                                                                                                                                            816. Observation.component:Exposure_Electricity.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                            • 818. Observation.component:Exposure_Electricity.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                              Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                              820. Observation.component:Exposure_Friction
                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NameExposure_Friction
                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                              822. Observation.component:Exposure_Friction.code
                                                                                                                                                                                                                                                                                                                                                                                                                              Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                  "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                  "code" : "263762005",
                                                                                                                                                                                                                                                                                                                                                                                                                                  "display" : "Friction (physical force)"
                                                                                                                                                                                                                                                                                                                                                                                                                                }]
                                                                                                                                                                                                                                                                                                                                                                                                                              }
                                                                                                                                                                                                                                                                                                                                                                                                                              824. Observation.component:Exposure_Friction.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                              • 826. Observation.component:Exposure_Friction.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                828. Observation.component:Exposure_Oil
                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NameExposure_Oil
                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                830. Observation.component:Exposure_Oil.code
                                                                                                                                                                                                                                                                                                                                                                                                                                Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                  "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                    "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                    "code" : "21847005",
                                                                                                                                                                                                                                                                                                                                                                                                                                    "display" : "Oil (substance)"
                                                                                                                                                                                                                                                                                                                                                                                                                                  }]
                                                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                                                                                                                                832. Observation.component:Exposure_Oil.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                • 834. Observation.component:Exposure_Oil.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                  Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                  836. Observation.component:ModeOfTransport_Other
                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NameModeOfTransport_Other
                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                  838. Observation.component:ModeOfTransport_Other.code
                                                                                                                                                                                                                                                                                                                                                                                                                                  840. Observation.component:ModeOfTransport_Other.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                  Pattern ValueMode of transport - Others, specify
                                                                                                                                                                                                                                                                                                                                                                                                                                  842. Observation.component:ModeOfTransport_Other.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                  • 844. Observation.component:ModeOfTransport_Other.value[x]:valueString
                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueString
                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                    846. Observation.component:PlaceOfOccurrence_WorkplaceName
                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamePlaceOfOccurrence_WorkplaceName
                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                    848. Observation.component:PlaceOfOccurrence_WorkplaceName.code
                                                                                                                                                                                                                                                                                                                                                                                                                                    850. Observation.component:PlaceOfOccurrence_WorkplaceName.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                    Pattern ValuePlace of occurrence - Workplace, specify
                                                                                                                                                                                                                                                                                                                                                                                                                                    852. Observation.component:PlaceOfOccurrence_WorkplaceName.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                    • 854. Observation.component:PlaceOfOccurrence_WorkplaceName.value[x]:valueString
                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NamevalueString
                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                      856. Observation.component:PlaceOfOccurrence_Other
                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NamePlaceOfOccurrence_Other
                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                      858. Observation.component:PlaceOfOccurrence_Other.code
                                                                                                                                                                                                                                                                                                                                                                                                                                      860. Observation.component:PlaceOfOccurrence_Other.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                      Pattern ValuePlace of occurrence - Others, specify
                                                                                                                                                                                                                                                                                                                                                                                                                                      862. Observation.component:PlaceOfOccurrence_Other.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                      • 864. Observation.component:PlaceOfOccurrence_Other.value[x]:valueString
                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueString
                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                        866. Observation.component:ActivityAtIncident_Other
                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NameActivityAtIncident_Other
                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                        868. Observation.component:ActivityAtIncident_Other.code
                                                                                                                                                                                                                                                                                                                                                                                                                                        870. Observation.component:ActivityAtIncident_Other.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                        Pattern ValueActivity at incident - Others, specify
                                                                                                                                                                                                                                                                                                                                                                                                                                        872. Observation.component:ActivityAtIncident_Other.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                        • 874. Observation.component:ActivityAtIncident_Other.value[x]:valueString
                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NamevalueString
                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                          876. Observation.component:OtherRiskFactors_Other
                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NameOtherRiskFactors_Other
                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                          878. Observation.component:OtherRiskFactors_Other.code
                                                                                                                                                                                                                                                                                                                                                                                                                                          880. Observation.component:OtherRiskFactors_Other.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                          Pattern ValueOther risk factors - Others, specify
                                                                                                                                                                                                                                                                                                                                                                                                                                          882. Observation.component:OtherRiskFactors_Other.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                          • 884. Observation.component:OtherRiskFactors_Other.value[x]:valueString
                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NamevalueString
                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                            886. Observation.component:Remarks
                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NameRemarks
                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                            888. Observation.component:Remarks.code
                                                                                                                                                                                                                                                                                                                                                                                                                                            890. Observation.component:Remarks.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                            Pattern ValueRemarks (transport/handover)
                                                                                                                                                                                                                                                                                                                                                                                                                                            892. Observation.component:Remarks.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                            • 894. Observation.component:Remarks.value[x]:valueString
                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NamevalueString
                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension

                                                                                                                                                                                                                                                                                                                                                                                                                                              Guidance on how to interpret the contents of this table can be foundhere

                                                                                                                                                                                                                                                                                                                                                                                                                                              0. Observation
                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                              Measurements and simple assertions made about a patient, device or other subject.

                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortMeasurements and simple assertions
                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                              Used for simple observations such as device measurements, laboratory atomic results, vital signs, height, weight, smoking status, comments, etc. Other resources are used to provide context for observations such as laboratory reports, etc.

                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate NamesVital Signs, Measurement, Results, Tests
                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsdom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources (contained.contained.empty())
                                                                                                                                                                                                                                                                                                                                                                                                                                              dom-3: If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource (contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty())
                                                                                                                                                                                                                                                                                                                                                                                                                                              dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated (contained.meta.versionId.empty() and contained.meta.lastUpdated.empty())
                                                                                                                                                                                                                                                                                                                                                                                                                                              dom-5: If a resource is contained in another resource, it SHALL NOT have a security label (contained.meta.security.empty())
                                                                                                                                                                                                                                                                                                                                                                                                                                              dom-6: A resource should have narrative for robust management (text.`div`.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                              obs-6: dataAbsentReason SHALL only be present if Observation.value[x] is not present (dataAbsentReason.empty() or value.empty())
                                                                                                                                                                                                                                                                                                                                                                                                                                              obs-7: If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present (value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty())
                                                                                                                                                                                                                                                                                                                                                                                                                                              2. Observation.id
                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                              The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.

                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortLogical id of this artifact
                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                              The only time that a resource does not have an id is when it is being submitted to the server using a create operation.

                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                              Typeid
                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                              4. Observation.meta
                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                              The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.

                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortMetadata about the resource
                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeMeta
                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                              6. Observation.implicitRules
                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                              A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.

                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortA set of rules under which this content was created
                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                              Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc.

                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                              Typeuri
                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifiertrue because This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                              8. Observation.language
                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                              The base language in which the resource is written.

                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortLanguage of the resource content
                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                              Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).

                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingThe codes SHOULD be taken from CommonLanguages
                                                                                                                                                                                                                                                                                                                                                                                                                                              (preferred to http://hl7.org/fhir/ValueSet/languages|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                              A human language.

                                                                                                                                                                                                                                                                                                                                                                                                                                              Additional BindingsPurpose
                                                                                                                                                                                                                                                                                                                                                                                                                                              AllLanguagesMax Binding
                                                                                                                                                                                                                                                                                                                                                                                                                                              Typecode
                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                              10. Observation.text
                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                              A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it "clinically safe" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety.

                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortText summary of the resource, for human interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                              Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied). This may be necessary for data from legacy systems where information is captured as a "text blob" or where text is additionally entered raw or narrated and encoded information is added later.

                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeNarrative
                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesnarrative, html, xhtml, display
                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                              12. Observation.contained
                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                              These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.

                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortContained, inline Resources
                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                              This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. Contained resources may have profiles and tags In their meta elements, but SHALL NOT have security labels.

                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeResource
                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesinline resources, anonymous resources, contained resources
                                                                                                                                                                                                                                                                                                                                                                                                                                              14. Observation.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                              An Extension

                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                              • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                              • 16. Observation.extension:externalCauseDetail
                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NameexternalCauseDetail
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                Additional detail for external cause (e.g., specify animal/insect, weapon, burn type).

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortExternal Cause Detail
                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is affected by the following invariants: ele-1
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension(External Cause Detail) (Extension Type: string)
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                18. Observation.extension:transportDetails
                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NametransportDetails
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                Details about mode of transport, vehicles involved, positions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortTransport Details
                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is affected by the following invariants: ele-1
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension(Transport Details) (Complex Extension)
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                20. Observation.extension:safetyNotes
                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NamesafetyNotes
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                An Extension

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortSafety / Other Risk Factors
                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is affected by the following invariants: ele-1
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension(Safety / Other Risk Factors) (Extension Type: Choice of: base64Binary, boolean, canonical, code, date, dateTime, decimal, id, instant, integer, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, Reference, SampledData, Signature, Timing, ContactDetail, Contributor, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Dosage, Meta)
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                22. Observation.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortExtensions that cannot be ignored
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                24. Observation.identifier
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                A unique identifier assigned to this observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortBusiness Identifier for observation
                                                                                                                                                                                                                                                                                                                                                                                                                                                NoteThis is a business identifier, not a resource identifier (see discussion)
                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeIdentifier
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                Allows observations to be distinguished and referenced.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                26. Observation.basedOn
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                A plan, proposal or order that is fulfilled in whole or in part by this event. For example, a MedicationRequest may require a patient to have laboratory test performed before it is dispensed.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortFulfills plan, proposal or order
                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeReference(CarePlan, DeviceRequest, ImmunizationRecommendation, MedicationRequest, NutritionOrder, ServiceRequest)
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                Allows tracing of authorization for the event and tracking whether proposals/recommendations were acted upon.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate NamesFulfills
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                28. Observation.partOf
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                A larger event of which this particular Observation is a component or step. For example, an observation as part of a procedure.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortPart of referenced event
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                To link an Observation to an Encounter use encounter. See the Notes below for guidance on referencing another Observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeReference(MedicationAdministration, MedicationDispense, MedicationStatement, Procedure, Immunization, ImagingStudy)
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate NamesContainer
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                30. Observation.status
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                The status of the result value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Shortregistered | preliminary | final | amended +
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is labeled as a modifier because the status contains codes that mark the resource as not currently valid.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingThe codes SHALL be taken from ObservationStatus
                                                                                                                                                                                                                                                                                                                                                                                                                                                (required to http://hl7.org/fhir/ValueSet/observation-status|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes providing the status of an observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Typecode
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifiertrue because This element is labeled as a modifier because it is a status element that contains status entered-in-error which means that the resource should not be treated as valid
                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                Need to track the status of individual results. Some results are finalized before the whole report is finalized.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                32. Observation.category
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                A code that classifies the general type of observation being made.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortClassification of type of observation
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                In addition to the required category valueset, this element allows various categorization schemes based on the owner’s definition of the category and effectively multiple categories can be used at once. The level of granularity is defined by the category concepts in the value set.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingThe codes SHOULD be taken from ObservationCategoryCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                (preferred to http://hl7.org/fhir/ValueSet/observation-category|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes for high level observation categories.

                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                Used for filtering what observations are retrieved and displayed.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                34. Observation.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                Describes what was observed. Sometimes this is called the observation "name".

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortType of observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                All code-value and, if present, component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingThe codes SHOULD be taken from RSInjuryTypeVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-InjuryType)
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate NamesName
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                36. Observation.subject
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                The patient, or group of patients, location, or device this observation is about and into whose record the observation is placed. If the actual focus of the observation is different from the subject (or a sample of, part, or region of the subject), the focus element or the code itself specifies the actual focus of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortWho and/or what the observation is about
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                One would expect this element to be a cardinality of 1..1. The only circumstance in which the subject can be missing is when the observation is made by a device that does not know the patient. In this case, the observation SHALL be matched to a patient through some context/channel matching technique, and at this point, the observation should be updated.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeReference(Road Safety Patient)
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                Observations have no value if you don't know who or what they're about.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                38. Observation.focus
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                The actual focus of an observation when it is not the patient of record representing something or someone associated with the patient such as a spouse, parent, fetus, or donor. For example, fetus observations in a mother's record. The focus of an observation could also be an existing condition, an intervention, the subject's diet, another observation of the subject, or a body structure such as tumor or implanted device. An example use case would be using the Observation resource to capture whether the mother is trained to change her child's tracheostomy tube. In this example, the child is the patient of record and the mother is the focus.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortWhat the observation is about, when it is not about the subject of record
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                Typically, an observation is made about the subject - a patient, or group of patients, location, or device - and the distinction between the subject and what is directly measured for an observation is specified in the observation code itself ( e.g., "Blood Glucose") and does not need to be represented separately using this element. Use specimen if a reference to a specimen is required. If a code is required instead of a resource use either bodysite for bodysites or the standard extension focusCode.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeReference(Resource)
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                40. Observation.encounter
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                The healthcare event (e.g. a patient and healthcare provider interaction) during which this observation is made.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortHealthcare event during which this observation is made
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                This will typically be the encounter the event occurred within, but some events may be initiated prior to or after the official completion of an encounter but still be tied to the context of the encounter (e.g. pre-admission laboratory tests).

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeReference(Road Safety Encounter)
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                For some observations it may be important to know the link between an observation and a particular encounter.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate NamesContext
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                42. Observation.effective[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                The time or time-period the observed value is asserted as being true. For biological subjects - e.g. human patients - this is usually called the "physiologically relevant time". This is usually either the time of the procedure or of specimen collection, but very often the source of the date/time is not known, only the date/time itself.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortClinically relevant time/time-period for observation
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                At least a date should be present unless this observation is a historical report. For recording imprecise or "fuzzy" times (For example, a blood glucose measurement taken "after breakfast") use the Timing datatype which allow the measurement to be tied to regular life events.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeChoice of: dateTime, Period, Timing, instant
                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing when an observation was deemed true is important to its relevance as well as determining trends.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate NamesOccurrence
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                44. Observation.issued
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                The date and time this version of the observation was made available to providers, typically after the results have been reviewed and verified.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortDate/Time this version was made available
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                For Observations that don’t require review and verification, it may be the same as the lastUpdated time of the resource itself. For Observations that do require review and verification for certain updates, it might not be the same as the lastUpdated time of the resource itself due to a non-clinically significant update that doesn’t require the new version to be reviewed and verified again.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                Typeinstant
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                46. Observation.performer
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                Who was responsible for asserting the observed value as "true".

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortWho is responsible for the observation
                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeReference(PH Core Practitioner)
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                May give a degree of confidence in the observation and also indicates where follow-up questions should be directed.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                48. Observation.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual result
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation may have; 1) a single value here, 2) both a value and a set of related or component values, or 3) only a set of related or component values. If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is affected by the following invariants: obs-7
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                50. Observation.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                Provides a reason why the expected value in the element Observation.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortWhy the result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                Null or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "specimen unsatisfactory".

                                                                                                                                                                                                                                                                                                                                                                                                                                                The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Note that an observation may only be reported if there are values to report. For example differential cell counts values may be reported only when > 0. Because of these options, use-case agreements are required to interpret general observations for null or exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                52. Observation.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                54. Observation.note
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments about the observation or the results.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortComments about the observation
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                May include general statements about the observation, or statements about significant, unexpected or unreliable results values, or information about its source when relevant to its interpretation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeAnnotation
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                Need to be able to provide free text additional information.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                56. Observation.bodySite
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                Indicates the site on the subject's body where the observation was made (i.e. the target site).

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortObserved body part
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                Only used if not implicit in code found in Observation.code. In many systems, this may be represented as a related observation instead of an inline component.

                                                                                                                                                                                                                                                                                                                                                                                                                                                If the use case requires BodySite to be handled as a separate resource (e.g. to identify and track separately) then use the standard extension bodySite.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingFor example codes, see SNOMEDCTBodyStructures
                                                                                                                                                                                                                                                                                                                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/body-site|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes describing anatomical locations. May include laterality.

                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                58. Observation.method
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                Indicates the mechanism used to perform the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortHow it was done
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                Only used if not implicit in code for Observation.code.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingFor example codes, see ObservationMethods
                                                                                                                                                                                                                                                                                                                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-methods|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                Methods for simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                In some cases, method can impact results and is thus used for determining whether results can be compared or determining significance of results.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                60. Observation.specimen
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                The specimen that was used when this observation was made.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortSpecimen used for this observation
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                Should only be used if not implicit in code found in Observation.code. Observations are not made on specimens themselves; they are made on a subject, but in many cases by the means of a specimen. Note that although specimens are often involved, they are not always tracked and reported explicitly. Also note that observation resources may be used in contexts that track the specimen explicitly (e.g. Diagnostic Report).

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeReference(Specimen)
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                62. Observation.device
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                The device used to generate the observation data.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Short(Measurement) Device
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                Note that this is not meant to represent a device involved in the transmission of the result, e.g., a gateway. Such devices may be documented using the Provenance resource where relevant.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeReference(Device, DeviceMetric)
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                64. Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                Guidance on how to interpret the value by comparison to a normal or recommended range. Multiple reference ranges are interpreted as an "OR". In other words, to represent two distinct target populations, two referenceRange elements would be used.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortProvides guide for interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                obs-3: Must have at least a low or a high or text (low.exists() or high.exists() or text.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                66. Observation.referenceRange.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                68. Observation.referenceRange.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                70. Observation.referenceRange.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                72. Observation.referenceRange.low
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                The value of the low bound of the reference range. The low bound of the reference range endpoint is inclusive of the value (e.g. reference range is >=5 - <=9). If the low bound is omitted, it is assumed to be meaningless (e.g. reference range is <=2.3).

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortLow Range, if relevant
                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is affected by the following invariants: obs-3
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeQuantity(SimpleQuantity)
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                74. Observation.referenceRange.high
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                The value of the high bound of the reference range. The high bound of the reference range endpoint is inclusive of the value (e.g. reference range is >=5 - <=9). If the high bound is omitted, it is assumed to be meaningless (e.g. reference range is >= 2.3).

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortHigh Range, if relevant
                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is affected by the following invariants: obs-3
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeQuantity(SimpleQuantity)
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                76. Observation.referenceRange.type
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes to indicate the what part of the targeted reference population it applies to. For example, the normal or therapeutic range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortReference range qualifier
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                This SHOULD be populated if there is more than one range. If this element is not present then the normal range is assumed.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingThe codes SHOULD be taken from ObservationReferenceRangeMeaningCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                (preferred to http://hl7.org/fhir/ValueSet/referencerange-meaning|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                Code for the meaning of a reference range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                Need to be able to say what kind of reference range this is - normal, recommended, therapeutic, etc., - for proper interpretation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                78. Observation.referenceRange.appliesTo
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes to indicate the target population this reference range applies to. For example, a reference range may be based on the normal population or a particular sex or race. Multiple appliesTo are interpreted as an "AND" of the target populations. For example, to represent a target population of African American females, both a code of female and a code for African American would be used.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortReference range population
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                This SHOULD be populated if there is more than one range. If this element is not present then the normal population is assumed.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingFor example codes, see ObservationReferenceRangeAppliesToCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/referencerange-appliesto|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying the population the reference range applies to.

                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                Need to be able to identify the target population for proper interpretation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                80. Observation.referenceRange.age
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                The age at which this reference range is applicable. This is a neonatal age (e.g. number of weeks at term) if the meaning says so.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortApplicable age range, if relevant
                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                Some analytes vary greatly over age.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                82. Observation.referenceRange.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                Text based reference range in an observation which may be used when a quantitative range is not appropriate for an observation. An example would be a reference value of "Negative" or a list or table of "normals".

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortText based reference range in an observation
                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                84. Observation.hasMember
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                This observation is a group observation (e.g. a battery, a panel of tests, a set of vital sign measurements) that includes the target as a member of the group.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortRelated resource that belongs to the Observation group
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                When using this element, an observation will typically have either a value or a set of related resources, although both may be present in some cases. For a discussion on the ways Observations can assembled in groups together, see Notes below. Note that a system may calculate results from QuestionnaireResponse into a final score and represent the score as an Observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeReference(Observation, QuestionnaireResponse, MolecularSequence)
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                86. Observation.derivedFrom
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                The target resource that represents a measurement from which this observation value is derived. For example, a calculated anion gap or a fetal measurement based on an ultrasound image.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortRelated measurements the observation is made from
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                All the reference choices that are listed in this element can represent clinical observations and other measurements that may be the source for a derived value. The most common reference will be another Observation. For a discussion on the ways Observations can assembled in groups together, see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeReference(DocumentReference, ImagingStudy, Media, QuestionnaireResponse, Observation, MolecularSequence)
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                88. Observation.component
                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Control1..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                • value @ code
                                                                                                                                                                                                                                                                                                                                                                                                                                                • 90. Observation.component.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  92. Observation.component.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                  94. Observation.component.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                  96. Observation.component.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  98. Observation.component.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  100. Observation.component.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                  The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                  This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                  For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  102. Observation.component.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                  For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  104. Observation.component.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  106. Observation.component:DateTimeComponent
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NameDateTimeComponent
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  108. Observation.component:DateTimeComponent.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  110. Observation.component:DateTimeComponent.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                  112. Observation.component:DateTimeComponent.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                  114. Observation.component:DateTimeComponent.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  116. Observation.component:DateTimeComponent.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  118. Observation.component:DateTimeComponent.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                  The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                  This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                  For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  120. Observation.component:DateTimeComponent.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                  For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  122. Observation.component:DateTimeComponent.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  124. Observation.component:SystolicBP
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NameSystolicBP
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  126. Observation.component:SystolicBP.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  128. Observation.component:SystolicBP.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                  130. Observation.component:SystolicBP.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                  132. Observation.component:SystolicBP.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                    "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                      "system" : "http://loinc.org",
                                                                                                                                                                                                                                                                                                                                                                                                                                                      "code" : "8480-6",
                                                                                                                                                                                                                                                                                                                                                                                                                                                      "display" : "Systolic blood pressure"
                                                                                                                                                                                                                                                                                                                                                                                                                                                    }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                  }
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  134. Observation.component:SystolicBP.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                  • 136. Observation.component:SystolicBP.value[x]:valueQuantity
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueQuantity
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeQuantity
                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                    138. Observation.component:SystolicBP.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                    "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                    The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                    This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                    For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                    140. Observation.component:SystolicBP.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                    A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                    For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                    142. Observation.component:SystolicBP.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                    144. Observation.component:DiastolicBP
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NameDiastolicBP
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                    146. Observation.component:DiastolicBP.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                    148. Observation.component:DiastolicBP.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                    150. Observation.component:DiastolicBP.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                    152. Observation.component:DiastolicBP.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                      "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                        "system" : "http://loinc.org",
                                                                                                                                                                                                                                                                                                                                                                                                                                                        "code" : "8462-4",
                                                                                                                                                                                                                                                                                                                                                                                                                                                        "display" : "Diastolic blood pressure"
                                                                                                                                                                                                                                                                                                                                                                                                                                                      }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                    }
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                    154. Observation.component:DiastolicBP.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                    • 156. Observation.component:DiastolicBP.value[x]:valueQuantity
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NamevalueQuantity
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeQuantity
                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                      158. Observation.component:DiastolicBP.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                      "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                      The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                      This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                      For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                      160. Observation.component:DiastolicBP.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                      A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                      For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                      162. Observation.component:DiastolicBP.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                      164. Observation.component:HeartRate
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NameHeartRate
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                      166. Observation.component:HeartRate.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                      XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                      168. Observation.component:HeartRate.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                      170. Observation.component:HeartRate.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                      172. Observation.component:HeartRate.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                        "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                          "system" : "http://loinc.org",
                                                                                                                                                                                                                                                                                                                                                                                                                                                          "code" : "8867-4",
                                                                                                                                                                                                                                                                                                                                                                                                                                                          "display" : "Heart rate"
                                                                                                                                                                                                                                                                                                                                                                                                                                                        }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                      }
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                      174. Observation.component:HeartRate.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                      • 176. Observation.component:HeartRate.value[x]:valueQuantity
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueQuantity
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeQuantity
                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                        178. Observation.component:HeartRate.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                        "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                        The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                        This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                        For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                        180. Observation.component:HeartRate.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                        A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                        For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                        182. Observation.component:HeartRate.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                        184. Observation.component:RespiratoryRate
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NameRespiratoryRate
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                        186. Observation.component:RespiratoryRate.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                        XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                        188. Observation.component:RespiratoryRate.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                        190. Observation.component:RespiratoryRate.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                        192. Observation.component:RespiratoryRate.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                          "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                            "system" : "http://loinc.org",
                                                                                                                                                                                                                                                                                                                                                                                                                                                            "code" : "9279-1",
                                                                                                                                                                                                                                                                                                                                                                                                                                                            "display" : "Respiratory rate"
                                                                                                                                                                                                                                                                                                                                                                                                                                                          }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                        194. Observation.component:RespiratoryRate.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                        • 196. Observation.component:RespiratoryRate.value[x]:valueQuantity
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NamevalueQuantity
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeQuantity
                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                          198. Observation.component:RespiratoryRate.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                          "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                          The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                          This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                          For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                          200. Observation.component:RespiratoryRate.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                          A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                          For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                          202. Observation.component:RespiratoryRate.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                          204. Observation.component:Temperature
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NameTemperature
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                          206. Observation.component:Temperature.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                          XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                          208. Observation.component:Temperature.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                          210. Observation.component:Temperature.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                          212. Observation.component:Temperature.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                            "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                              "system" : "http://loinc.org",
                                                                                                                                                                                                                                                                                                                                                                                                                                                              "code" : "8310-5",
                                                                                                                                                                                                                                                                                                                                                                                                                                                              "display" : "Body temperature"
                                                                                                                                                                                                                                                                                                                                                                                                                                                            }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                          }
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                          214. Observation.component:Temperature.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                          • 216. Observation.component:Temperature.value[x]:valueQuantity
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NamevalueQuantity
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeQuantity
                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                            218. Observation.component:Temperature.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                            "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                            The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                            This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                            For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                            220. Observation.component:Temperature.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                            A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                            For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                            222. Observation.component:Temperature.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                            224. Observation.component:RespiratoryRhythm
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NameRespiratoryRhythm
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                            226. Observation.component:RespiratoryRhythm.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                            XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                            228. Observation.component:RespiratoryRhythm.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                            230. Observation.component:RespiratoryRhythm.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                            232. Observation.component:RespiratoryRhythm.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                              "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                "system" : "http://loinc.org",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                "code" : "9304-7",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                "display" : "Respiration rhythm"
                                                                                                                                                                                                                                                                                                                                                                                                                                                              }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                            }
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                            234. Observation.component:RespiratoryRhythm.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                            • 236. Observation.component:RespiratoryRhythm.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingThe codes SHOULD be taken from RSRespiratoryRhythmVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                              (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-RespiratoryRhythm)
                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                              238. Observation.component:RespiratoryRhythm.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                              "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                              The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                              This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                              For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                              240. Observation.component:RespiratoryRhythm.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                              A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                              For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                              242. Observation.component:RespiratoryRhythm.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                              244. Observation.component:BreathSounds
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NameBreathSounds
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                              246. Observation.component:BreathSounds.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                              XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                              248. Observation.component:BreathSounds.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                              250. Observation.component:BreathSounds.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                              252. Observation.component:BreathSounds.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "system" : "http://loinc.org",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "code" : "80319-7",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "display" : "Breath sounds by Auscultation"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                              }
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                              254. Observation.component:BreathSounds.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                              • 256. Observation.component:BreathSounds.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingThe codes SHOULD be taken from RSBreathSoundsVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-BreathSounds)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                258. Observation.component:BreathSounds.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                260. Observation.component:BreathSounds.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                262. Observation.component:BreathSounds.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                264. Observation.component:PulseRhythm
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NamePulseRhythm
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                266. Observation.component:PulseRhythm.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                268. Observation.component:PulseRhythm.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                270. Observation.component:PulseRhythm.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                272. Observation.component:PulseRhythm.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "system" : "http://loinc.org",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "code" : "8884-9",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "display" : "Heart rate rhythm"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                274. Observation.component:PulseRhythm.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                • 276. Observation.component:PulseRhythm.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingThe codes SHOULD be taken from RSPulseRhythmVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-PulseRhythm)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  278. Observation.component:PulseRhythm.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  280. Observation.component:PulseRhythm.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  282. Observation.component:PulseRhythm.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  284. Observation.component:PulseQuality
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NamePulseQuality
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  286. Observation.component:PulseQuality.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  288. Observation.component:PulseQuality.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  290. Observation.component:PulseQuality.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  292. Observation.component:PulseQuality.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "system" : "http://loinc.org",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "code" : "8866-6",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "display" : "Arterial pulse quality by palpation"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  294. Observation.component:PulseQuality.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • 296. Observation.component:PulseQuality.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingThe codes SHOULD be taken from RSPulseQualityVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-PulseQuality)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    298. Observation.component:PulseQuality.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    300. Observation.component:PulseQuality.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    302. Observation.component:PulseQuality.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    304. Observation.component:Pupils
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamePupils
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    306. Observation.component:Pupils.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    308. Observation.component:Pupils.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    310. Observation.component:Pupils.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    312. Observation.component:Pupils.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    314. Observation.component:Pupils.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • 316. Observation.component:Pupils.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingThe codes SHOULD be taken from RSPupilsVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-Pupils)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      318. Observation.component:Pupils.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      320. Observation.component:Pupils.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      322. Observation.component:Pupils.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      324. Observation.component:Cyanosis
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NameCyanosis
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      326. Observation.component:Cyanosis.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      328. Observation.component:Cyanosis.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      330. Observation.component:Cyanosis.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      332. Observation.component:Cyanosis.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      334. Observation.component:Cyanosis.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • 336. Observation.component:Cyanosis.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingThe codes SHOULD be taken from RSCyanosisVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-Cyanosis)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        338. Observation.component:Cyanosis.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        340. Observation.component:Cyanosis.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        342. Observation.component:Cyanosis.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        344. Observation.component:GCS_Eyes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NameGCS_Eyes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        346. Observation.component:GCS_Eyes.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        348. Observation.component:GCS_Eyes.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        350. Observation.component:GCS_Eyes.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        352. Observation.component:GCS_Eyes.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "code" : "276867008",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "display" : "Glasgow coma scale — eyes"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        354. Observation.component:GCS_Eyes.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • 356. Observation.component:GCS_Eyes.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingThe codes SHALL be taken from RSGCSEyesVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (required to http://hl7.org/fhir/ValueSet/PH-RoadSafety-GCSEyes)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          358. Observation.component:GCS_Eyes.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          360. Observation.component:GCS_Eyes.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          362. Observation.component:GCS_Eyes.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          364. Observation.component:GCS_Verbal
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NameGCS_Verbal
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          366. Observation.component:GCS_Verbal.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          368. Observation.component:GCS_Verbal.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          370. Observation.component:GCS_Verbal.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          372. Observation.component:GCS_Verbal.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "code" : "276868003",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "display" : "Glasgow coma scale — verbal"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          374. Observation.component:GCS_Verbal.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • 376. Observation.component:GCS_Verbal.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingThe codes SHALL be taken from RSGCSVerbalVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (required to http://hl7.org/fhir/ValueSet/PH-RoadSafety-GCSVerbal)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            378. Observation.component:GCS_Verbal.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            380. Observation.component:GCS_Verbal.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            382. Observation.component:GCS_Verbal.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            384. Observation.component:GCS_Motor
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NameGCS_Motor
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            386. Observation.component:GCS_Motor.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            388. Observation.component:GCS_Motor.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            390. Observation.component:GCS_Motor.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            392. Observation.component:GCS_Motor.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "code" : "276869006",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "display" : "Glasgow coma scale — motor"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            394. Observation.component:GCS_Motor.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • 396. Observation.component:GCS_Motor.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingThe codes SHALL be taken from RSGCSMotorVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (required to http://hl7.org/fhir/ValueSet/PH-RoadSafety-GCSMotor)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              398. Observation.component:GCS_Motor.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              400. Observation.component:GCS_Motor.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              402. Observation.component:GCS_Motor.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              404. Observation.component:GCS_Total
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NameGCS_Total
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              406. Observation.component:GCS_Total.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              408. Observation.component:GCS_Total.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              410. Observation.component:GCS_Total.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              412. Observation.component:GCS_Total.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "system" : "http://loinc.org",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "code" : "9269-2",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "display" : "Glasgow coma score total"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              414. Observation.component:GCS_Total.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • 416. Observation.component:GCS_Total.value[x]:valueInteger
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NamevalueInteger
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typeinteger
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                418. Observation.component:GCS_Total.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                420. Observation.component:GCS_Total.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                422. Observation.component:GCS_Total.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                424. Observation.component:AVPU
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NameAVPU
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                426. Observation.component:AVPU.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                428. Observation.component:AVPU.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                430. Observation.component:AVPU.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                432. Observation.component:AVPU.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "system" : "http://loinc.org",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "code" : "67775-7",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "display" : "Level of responsiveness"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                434. Observation.component:AVPU.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • 436. Observation.component:AVPU.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingThe codes SHOULD be taken from RSAVPUVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-AVPU)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  438. Observation.component:AVPU.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  440. Observation.component:AVPU.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  442. Observation.component:AVPU.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  444. Observation.component:ExternalCause
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NameExternalCause
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  446. Observation.component:ExternalCause.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  448. Observation.component:ExternalCause.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  450. Observation.component:ExternalCause.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  452. Observation.component:ExternalCause.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  454. Observation.component:ExternalCause.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • 456. Observation.component:ExternalCause.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingThe codes SHOULD be taken from External Cause ValueSet (example)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (preferred to https://build.fhir.org/ig/UPM-NTHC/PH-RoadSafetyIG/ValueSet/external-cause-vs)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    458. Observation.component:ExternalCause.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    460. Observation.component:ExternalCause.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    462. Observation.component:ExternalCause.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    464. Observation.component:InjuryIntent
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NameInjuryIntent
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    466. Observation.component:InjuryIntent.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    468. Observation.component:InjuryIntent.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    470. Observation.component:InjuryIntent.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    472. Observation.component:InjuryIntent.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    474. Observation.component:InjuryIntent.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • 476. Observation.component:InjuryIntent.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingThe codes SHOULD be taken from RSInjuryIntentVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-InjuryIntent)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      478. Observation.component:InjuryIntent.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      480. Observation.component:InjuryIntent.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      482. Observation.component:InjuryIntent.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      484. Observation.component:DrowningWaterBody
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NameDrowningWaterBody
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      486. Observation.component:DrowningWaterBody.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      488. Observation.component:DrowningWaterBody.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      490. Observation.component:DrowningWaterBody.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      492. Observation.component:DrowningWaterBody.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      494. Observation.component:DrowningWaterBody.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • 496. Observation.component:DrowningWaterBody.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingThe codes SHOULD be taken from RSDrowningWaterBodyVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-DrowningWaterBody)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        498. Observation.component:DrowningWaterBody.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        500. Observation.component:DrowningWaterBody.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        502. Observation.component:DrowningWaterBody.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        504. Observation.component:ModeOfTransport
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NameModeOfTransport
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        506. Observation.component:ModeOfTransport.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        508. Observation.component:ModeOfTransport.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        510. Observation.component:ModeOfTransport.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        512. Observation.component:ModeOfTransport.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "system" : "http://loinc.org",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "code" : "74286-6",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "display" : "Mode of transport to the Hospital/Facility"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        514. Observation.component:ModeOfTransport.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • 516. Observation.component:ModeOfTransport.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingThe codes SHOULD be taken from ModeOfTransportVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-ModeOfTransport)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          518. Observation.component:ModeOfTransport.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          520. Observation.component:ModeOfTransport.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          522. Observation.component:ModeOfTransport.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          524. Observation.component:Outcome
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NameOutcome
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          526. Observation.component:Outcome.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          528. Observation.component:Outcome.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          530. Observation.component:Outcome.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          532. Observation.component:Outcome.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          534. Observation.component:Outcome.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • 536. Observation.component:Outcome.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingThe codes SHOULD be taken from OutcomeVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-Outcome)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            538. Observation.component:Outcome.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            540. Observation.component:Outcome.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            542. Observation.component:Outcome.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            544. Observation.component:ConditionOfPatient
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NameConditionOfPatient
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            546. Observation.component:ConditionOfPatient.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            548. Observation.component:ConditionOfPatient.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            550. Observation.component:ConditionOfPatient.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            552. Observation.component:ConditionOfPatient.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            554. Observation.component:ConditionOfPatient.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • 556. Observation.component:ConditionOfPatient.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingThe codes SHOULD be taken from RSConditionOfPatientVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-ConditionOfPatient)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              558. Observation.component:ConditionOfPatient.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              560. Observation.component:ConditionOfPatient.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              562. Observation.component:ConditionOfPatient.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              564. Observation.component:StatusOnArrival
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NameStatusOnArrival
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              566. Observation.component:StatusOnArrival.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              568. Observation.component:StatusOnArrival.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              570. Observation.component:StatusOnArrival.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              572. Observation.component:StatusOnArrival.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              574. Observation.component:StatusOnArrival.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • 576. Observation.component:StatusOnArrival.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingThe codes SHOULD be taken from RSStatusOnArrivalVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-StatusOnArrival)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                578. Observation.component:StatusOnArrival.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                580. Observation.component:StatusOnArrival.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                582. Observation.component:StatusOnArrival.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                584. Observation.component:TriagePriority
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NameTriagePriority
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                586. Observation.component:TriagePriority.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                588. Observation.component:TriagePriority.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                590. Observation.component:TriagePriority.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                592. Observation.component:TriagePriority.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                594. Observation.component:TriagePriority.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • 596. Observation.component:TriagePriority.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingThe codes SHOULD be taken from RSTriageCategoryVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-TriageCategory)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  598. Observation.component:TriagePriority.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  600. Observation.component:TriagePriority.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  602. Observation.component:TriagePriority.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  604. Observation.component:CollisionType
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NameCollisionType
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  606. Observation.component:CollisionType.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  608. Observation.component:CollisionType.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  610. Observation.component:CollisionType.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  612. Observation.component:CollisionType.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  614. Observation.component:CollisionType.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • 616. Observation.component:CollisionType.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingThe codes SHOULD be taken from CollisionTypeVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-CollisionType)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    618. Observation.component:CollisionType.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    620. Observation.component:CollisionType.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    622. Observation.component:CollisionType.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    624. Observation.component:PlaceOfOccurrence
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamePlaceOfOccurrence
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    626. Observation.component:PlaceOfOccurrence.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    628. Observation.component:PlaceOfOccurrence.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    630. Observation.component:PlaceOfOccurrence.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    632. Observation.component:PlaceOfOccurrence.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    634. Observation.component:PlaceOfOccurrence.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • 636. Observation.component:PlaceOfOccurrence.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingThe codes SHOULD be taken from Place of Occurrence ValueSet (example)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (preferred to https://build.fhir.org/ig/UPM-NTHC/PH-RoadSafetyIG/ValueSet/place-occ-vs)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      638. Observation.component:PlaceOfOccurrence.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      640. Observation.component:PlaceOfOccurrence.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      642. Observation.component:PlaceOfOccurrence.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      644. Observation.component:ActivityAtIncident
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NameActivityAtIncident
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      646. Observation.component:ActivityAtIncident.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      648. Observation.component:ActivityAtIncident.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      650. Observation.component:ActivityAtIncident.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      652. Observation.component:ActivityAtIncident.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      654. Observation.component:ActivityAtIncident.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • 656. Observation.component:ActivityAtIncident.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingThe codes SHOULD be taken from Activity ValueSet (example)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (preferred to https://build.fhir.org/ig/UPM-NTHC/PH-RoadSafetyIG/ValueSet/activity-vs)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        658. Observation.component:ActivityAtIncident.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        660. Observation.component:ActivityAtIncident.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        662. Observation.component:ActivityAtIncident.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        664. Observation.component:TransportVehicularAccidentFlag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NameTransportVehicularAccidentFlag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        666. Observation.component:TransportVehicularAccidentFlag.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        668. Observation.component:TransportVehicularAccidentFlag.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        670. Observation.component:TransportVehicularAccidentFlag.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        672. Observation.component:TransportVehicularAccidentFlag.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        674. Observation.component:TransportVehicularAccidentFlag.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • 676. Observation.component:TransportVehicularAccidentFlag.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          678. Observation.component:TransportVehicularAccidentFlag.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          680. Observation.component:TransportVehicularAccidentFlag.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          682. Observation.component:TransportVehicularAccidentFlag.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          684. Observation.component:InjuryDateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NameInjuryDateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          686. Observation.component:InjuryDateTime.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          688. Observation.component:InjuryDateTime.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          690. Observation.component:InjuryDateTime.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          692. Observation.component:InjuryDateTime.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          694. Observation.component:InjuryDateTime.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • 696. Observation.component:InjuryDateTime.value[x]:valueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NamevalueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypedateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            698. Observation.component:InjuryDateTime.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            700. Observation.component:InjuryDateTime.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            702. Observation.component:InjuryDateTime.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            704. Observation.component:PresenceOfTrafficInvestigator
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NamePresenceOfTrafficInvestigator
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            706. Observation.component:PresenceOfTrafficInvestigator.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            708. Observation.component:PresenceOfTrafficInvestigator.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            710. Observation.component:PresenceOfTrafficInvestigator.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            712. Observation.component:PresenceOfTrafficInvestigator.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            714. Observation.component:PresenceOfTrafficInvestigator.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • 716. Observation.component:PresenceOfTrafficInvestigator.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              718. Observation.component:PresenceOfTrafficInvestigator.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              720. Observation.component:PresenceOfTrafficInvestigator.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              722. Observation.component:PresenceOfTrafficInvestigator.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              724. Observation.component:UrgencyLevel
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NameUrgencyLevel
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              726. Observation.component:UrgencyLevel.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              728. Observation.component:UrgencyLevel.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              730. Observation.component:UrgencyLevel.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              732. Observation.component:UrgencyLevel.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              734. Observation.component:UrgencyLevel.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • 736. Observation.component:UrgencyLevel.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingThe codes SHOULD be taken from RSUrgencyLevelVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-UrgencyLevel)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                738. Observation.component:UrgencyLevel.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                740. Observation.component:UrgencyLevel.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                742. Observation.component:UrgencyLevel.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                744. Observation.component:CallSource
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NameCallSource
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                746. Observation.component:CallSource.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                748. Observation.component:CallSource.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                750. Observation.component:CallSource.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                752. Observation.component:CallSource.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                754. Observation.component:CallSource.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                756. Observation.component:CallSource.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • 758. Observation.component:CallSource.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  760. Observation.component:CallSource.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Pattern ValueCall source
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  762. Observation.component:CallSource.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • 764. Observation.component:CallSource.value[x]:valueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    766. Observation.component:CallSource.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    768. Observation.component:CallSource.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    770. Observation.component:CallSource.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    772. Observation.component:ReportedComplaint
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NameReportedComplaint
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    774. Observation.component:ReportedComplaint.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    776. Observation.component:ReportedComplaint.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    778. Observation.component:ReportedComplaint.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    780. Observation.component:ReportedComplaint.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    782. Observation.component:ReportedComplaint.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    784. Observation.component:ReportedComplaint.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • 786. Observation.component:ReportedComplaint.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      788. Observation.component:ReportedComplaint.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Pattern ValueReported complaint
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      790. Observation.component:ReportedComplaint.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • 792. Observation.component:ReportedComplaint.value[x]:valueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        794. Observation.component:ReportedComplaint.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        796. Observation.component:ReportedComplaint.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        798. Observation.component:ReportedComplaint.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        800. Observation.component:MultipleInjuriesFlag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NameMultipleInjuriesFlag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        802. Observation.component:MultipleInjuriesFlag.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        804. Observation.component:MultipleInjuriesFlag.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        806. Observation.component:MultipleInjuriesFlag.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        808. Observation.component:MultipleInjuriesFlag.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        810. Observation.component:MultipleInjuriesFlag.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • 812. Observation.component:MultipleInjuriesFlag.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          814. Observation.component:MultipleInjuriesFlag.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          816. Observation.component:MultipleInjuriesFlag.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          818. Observation.component:MultipleInjuriesFlag.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          820. Observation.component:ExtentOfInjury
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NameExtentOfInjury
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          822. Observation.component:ExtentOfInjury.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          824. Observation.component:ExtentOfInjury.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          826. Observation.component:ExtentOfInjury.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          828. Observation.component:ExtentOfInjury.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          830. Observation.component:ExtentOfInjury.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • 832. Observation.component:ExtentOfInjury.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingThe codes SHOULD be taken from RSInjuryTypeVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-InjuryType)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            834. Observation.component:ExtentOfInjury.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            836. Observation.component:ExtentOfInjury.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            838. Observation.component:ExtentOfInjury.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            840. Observation.component:CollisionMode
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NameCollisionMode
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            842. Observation.component:CollisionMode.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            844. Observation.component:CollisionMode.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            846. Observation.component:CollisionMode.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            848. Observation.component:CollisionMode.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            850. Observation.component:CollisionMode.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • 852. Observation.component:CollisionMode.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingThe codes SHOULD be taken from RSCollisionModeVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-CollisionMode)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              854. Observation.component:CollisionMode.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              856. Observation.component:CollisionMode.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              858. Observation.component:CollisionMode.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              860. Observation.component:PatientsVehicleType
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NamePatientsVehicleType
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              862. Observation.component:PatientsVehicleType.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              864. Observation.component:PatientsVehicleType.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              866. Observation.component:PatientsVehicleType.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              868. Observation.component:PatientsVehicleType.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              870. Observation.component:PatientsVehicleType.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • 872. Observation.component:PatientsVehicleType.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingThe codes SHOULD be taken from ValueSet for Vehicle Used
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (preferred to https://build.fhir.org/ig/UPM-NTHC/PH-RoadSafetyIG/ValueSet/vs-rs-vehicle-type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                874. Observation.component:PatientsVehicleType.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                876. Observation.component:PatientsVehicleType.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                878. Observation.component:PatientsVehicleType.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                880. Observation.component:OtherVehicleObjectType
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NameOtherVehicleObjectType
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                882. Observation.component:OtherVehicleObjectType.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                884. Observation.component:OtherVehicleObjectType.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                886. Observation.component:OtherVehicleObjectType.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                888. Observation.component:OtherVehicleObjectType.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                890. Observation.component:OtherVehicleObjectType.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • 892. Observation.component:OtherVehicleObjectType.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingThe codes SHOULD be taken from RSOtherVehicleObjectVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-OtherVehicleObject)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  894. Observation.component:OtherVehicleObjectType.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  896. Observation.component:OtherVehicleObjectType.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  898. Observation.component:OtherVehicleObjectType.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  900. Observation.component:PositionOfPatient
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NamePositionOfPatient
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  902. Observation.component:PositionOfPatient.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  904. Observation.component:PositionOfPatient.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  906. Observation.component:PositionOfPatient.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  908. Observation.component:PositionOfPatient.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  910. Observation.component:PositionOfPatient.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • 912. Observation.component:PositionOfPatient.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingThe codes SHOULD be taken from RSPatientPositionVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-PatientPosition)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    914. Observation.component:PositionOfPatient.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    916. Observation.component:PositionOfPatient.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    918. Observation.component:PositionOfPatient.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    920. Observation.component:SafetyAccessories
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NameSafetyAccessories
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    922. Observation.component:SafetyAccessories.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    924. Observation.component:SafetyAccessories.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    926. Observation.component:SafetyAccessories.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    928. Observation.component:SafetyAccessories.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    930. Observation.component:SafetyAccessories.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • 932. Observation.component:SafetyAccessories.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingThe codes SHOULD be taken from RSSafetyAccessoriesVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-SafetyAccessories)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      934. Observation.component:SafetyAccessories.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      936. Observation.component:SafetyAccessories.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      938. Observation.component:SafetyAccessories.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      940. Observation.component:OtherRiskFactors
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NameOtherRiskFactors
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      942. Observation.component:OtherRiskFactors.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      944. Observation.component:OtherRiskFactors.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      946. Observation.component:OtherRiskFactors.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      948. Observation.component:OtherRiskFactors.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      950. Observation.component:OtherRiskFactors.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • 952. Observation.component:OtherRiskFactors.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingThe codes SHOULD be taken from RSRiskFactorsVS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (preferred to http://hl7.org/fhir/ValueSet/PH-RoadSafety-RiskFactors)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        954. Observation.component:OtherRiskFactors.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        956. Observation.component:OtherRiskFactors.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        958. Observation.component:OtherRiskFactors.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        960. Observation.component:BloodAlcoholConcentration
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NameBloodAlcoholConcentration
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        962. Observation.component:BloodAlcoholConcentration.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        964. Observation.component:BloodAlcoholConcentration.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        966. Observation.component:BloodAlcoholConcentration.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        968. Observation.component:BloodAlcoholConcentration.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        970. Observation.component:BloodAlcoholConcentration.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • 972. Observation.component:BloodAlcoholConcentration.value[x]:valueQuantity
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NamevalueQuantity
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeQuantity
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          974. Observation.component:BloodAlcoholConcentration.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          976. Observation.component:BloodAlcoholConcentration.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          978. Observation.component:BloodAlcoholConcentration.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          980. Observation.component:InjuryAbrasion
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NameInjuryAbrasion
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          982. Observation.component:InjuryAbrasion.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          984. Observation.component:InjuryAbrasion.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          986. Observation.component:InjuryAbrasion.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          988. Observation.component:InjuryAbrasion.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "code" : "399963005",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "display" : "Abrasion (disorder)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          990. Observation.component:InjuryAbrasion.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • 992. Observation.component:InjuryAbrasion.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            994. Observation.component:InjuryAbrasion.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            996. Observation.component:InjuryAbrasion.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            998. Observation.component:InjuryAbrasion.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1000. Observation.component:InjuryAvulsion
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NameInjuryAvulsion
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1002. Observation.component:InjuryAvulsion.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1004. Observation.component:InjuryAvulsion.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1006. Observation.component:InjuryAvulsion.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1008. Observation.component:InjuryAvulsion.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "code" : "284554003",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "display" : "Avulsion - injury (disorder)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1010. Observation.component:InjuryAvulsion.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • 1012. Observation.component:InjuryAvulsion.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1014. Observation.component:InjuryAvulsion.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1016. Observation.component:InjuryAvulsion.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1018. Observation.component:InjuryAvulsion.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1020. Observation.component:InjuryBurnGeneral
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NameInjuryBurnGeneral
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1022. Observation.component:InjuryBurnGeneral.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1024. Observation.component:InjuryBurnGeneral.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1026. Observation.component:InjuryBurnGeneral.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1028. Observation.component:InjuryBurnGeneral.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "code" : "125666000",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "display" : "Burn (disorder)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1030. Observation.component:InjuryBurnGeneral.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • 1032. Observation.component:InjuryBurnGeneral.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1034. Observation.component:InjuryBurnGeneral.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1036. Observation.component:InjuryBurnGeneral.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1038. Observation.component:InjuryBurnGeneral.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1040. Observation.component:InjuryBurn1st
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NameInjuryBurn1st
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1042. Observation.component:InjuryBurn1st.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1044. Observation.component:InjuryBurn1st.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1046. Observation.component:InjuryBurn1st.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1048. Observation.component:InjuryBurn1st.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "code" : "77140003",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "display" : "First degree burn injury (morphologic abnormality)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1050. Observation.component:InjuryBurn1st.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • 1052. Observation.component:InjuryBurn1st.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1054. Observation.component:InjuryBurn1st.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1056. Observation.component:InjuryBurn1st.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1058. Observation.component:InjuryBurn1st.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1060. Observation.component:InjuryBurn2nd
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NameInjuryBurn2nd
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1062. Observation.component:InjuryBurn2nd.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1064. Observation.component:InjuryBurn2nd.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1066. Observation.component:InjuryBurn2nd.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1068. Observation.component:InjuryBurn2nd.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "code" : "46541008",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "display" : "Second degree burn injury (morphologic abnormality)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1070. Observation.component:InjuryBurn2nd.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • 1072. Observation.component:InjuryBurn2nd.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1074. Observation.component:InjuryBurn2nd.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1076. Observation.component:InjuryBurn2nd.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1078. Observation.component:InjuryBurn2nd.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1080. Observation.component:InjuryBurn3rd
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NameInjuryBurn3rd
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1082. Observation.component:InjuryBurn3rd.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1084. Observation.component:InjuryBurn3rd.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1086. Observation.component:InjuryBurn3rd.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1088. Observation.component:InjuryBurn3rd.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "code" : "80247002",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "display" : "Third degree burn injury (morphologic abnormality)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1090. Observation.component:InjuryBurn3rd.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • 1092. Observation.component:InjuryBurn3rd.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1094. Observation.component:InjuryBurn3rd.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1096. Observation.component:InjuryBurn3rd.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1098. Observation.component:InjuryBurn3rd.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1100. Observation.component:InjuryBurn4th
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NameInjuryBurn4th
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1102. Observation.component:InjuryBurn4th.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1104. Observation.component:InjuryBurn4th.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1106. Observation.component:InjuryBurn4th.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1108. Observation.component:InjuryBurn4th.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "code" : "770400008",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "display" : "Fourth degree burn injury (morphologic abnormality)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1110. Observation.component:InjuryBurn4th.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • 1112. Observation.component:InjuryBurn4th.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1114. Observation.component:InjuryBurn4th.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1116. Observation.component:InjuryBurn4th.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1118. Observation.component:InjuryBurn4th.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1120. Observation.component:InjuryConcussion
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NameInjuryConcussion
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1122. Observation.component:InjuryConcussion.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1124. Observation.component:InjuryConcussion.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1126. Observation.component:InjuryConcussion.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1128. Observation.component:InjuryConcussion.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "code" : "110030002",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "display" : "Concussion injury of brain (disorder)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1130. Observation.component:InjuryConcussion.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • 1132. Observation.component:InjuryConcussion.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1134. Observation.component:InjuryConcussion.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1136. Observation.component:InjuryConcussion.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1138. Observation.component:InjuryConcussion.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1140. Observation.component:InjuryContusion
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NameInjuryContusion
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1142. Observation.component:InjuryContusion.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1144. Observation.component:InjuryContusion.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1146. Observation.component:InjuryContusion.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1148. Observation.component:InjuryContusion.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "code" : "125667009",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "display" : "Contusion (disorder)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1150. Observation.component:InjuryContusion.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • 1152. Observation.component:InjuryContusion.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1154. Observation.component:InjuryContusion.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1156. Observation.component:InjuryContusion.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1158. Observation.component:InjuryContusion.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1160. Observation.component:InjuryFractureAny
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NameInjuryFractureAny
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1162. Observation.component:InjuryFractureAny.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1164. Observation.component:InjuryFractureAny.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1166. Observation.component:InjuryFractureAny.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1168. Observation.component:InjuryFractureAny.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "code" : "72704001",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "display" : "Fracture (morphologic abnormality)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1170. Observation.component:InjuryFractureAny.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • 1172. Observation.component:InjuryFractureAny.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1174. Observation.component:InjuryFractureAny.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1176. Observation.component:InjuryFractureAny.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1178. Observation.component:InjuryFractureAny.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1180. Observation.component:InjuryFractureClosed
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NameInjuryFractureClosed
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1182. Observation.component:InjuryFractureClosed.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1184. Observation.component:InjuryFractureClosed.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1186. Observation.component:InjuryFractureClosed.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1188. Observation.component:InjuryFractureClosed.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "code" : "423125000",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "display" : "Closed fracture of bone (disorder)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1190. Observation.component:InjuryFractureClosed.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • 1192. Observation.component:InjuryFractureClosed.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1194. Observation.component:InjuryFractureClosed.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1196. Observation.component:InjuryFractureClosed.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1198. Observation.component:InjuryFractureClosed.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1200. Observation.component:InjuryFractureOpen
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NameInjuryFractureOpen
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1202. Observation.component:InjuryFractureOpen.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1204. Observation.component:InjuryFractureOpen.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1206. Observation.component:InjuryFractureOpen.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1208. Observation.component:InjuryFractureOpen.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "code" : "397181002",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "display" : "Open fracture (disorder)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1210. Observation.component:InjuryFractureOpen.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • 1212. Observation.component:InjuryFractureOpen.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1214. Observation.component:InjuryFractureOpen.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1216. Observation.component:InjuryFractureOpen.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1218. Observation.component:InjuryFractureOpen.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1220. Observation.component:InjuryOpenWound
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NameInjuryOpenWound
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1222. Observation.component:InjuryOpenWound.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1224. Observation.component:InjuryOpenWound.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1226. Observation.component:InjuryOpenWound.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1228. Observation.component:InjuryOpenWound.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "code" : "125643001",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "display" : "Open wound (disorder)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1230. Observation.component:InjuryOpenWound.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • 1232. Observation.component:InjuryOpenWound.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1234. Observation.component:InjuryOpenWound.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1236. Observation.component:InjuryOpenWound.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1238. Observation.component:InjuryOpenWound.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1240. Observation.component:InjuryTraumaticAmputation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NameInjuryTraumaticAmputation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1242. Observation.component:InjuryTraumaticAmputation.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1244. Observation.component:InjuryTraumaticAmputation.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1246. Observation.component:InjuryTraumaticAmputation.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1248. Observation.component:InjuryTraumaticAmputation.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "code" : "262595009",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "display" : "Traumatic amputation (disorder)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1250. Observation.component:InjuryTraumaticAmputation.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • 1252. Observation.component:InjuryTraumaticAmputation.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1254. Observation.component:InjuryTraumaticAmputation.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1256. Observation.component:InjuryTraumaticAmputation.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1258. Observation.component:InjuryTraumaticAmputation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1260. Observation.component:InjuryOther
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NameInjuryOther
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1262. Observation.component:InjuryOther.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1264. Observation.component:InjuryOther.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1266. Observation.component:InjuryOther.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1268. Observation.component:InjuryOther.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1270. Observation.component:InjuryOther.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1272. Observation.component:InjuryOther.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • 1274. Observation.component:InjuryOther.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1276. Observation.component:InjuryOther.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1278. Observation.component:InjuryOther.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • 1280. Observation.component:InjuryOther.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Must Supporttrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1282. Observation.component:InjuryOther.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1284. Observation.component:InjuryOther.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1286. Observation.component:InjuryOther.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1288. Observation.component:External_BitesStings
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NameExternal_BitesStings
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1290. Observation.component:External_BitesStings.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1292. Observation.component:External_BitesStings.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1294. Observation.component:External_BitesStings.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1296. Observation.component:External_BitesStings.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1298. Observation.component:External_BitesStings.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1300. Observation.component:External_BitesStings.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • 1302. Observation.component:External_BitesStings.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1304. Observation.component:External_BitesStings.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Pattern ValueBites/stings
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1306. Observation.component:External_BitesStings.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • 1308. Observation.component:External_BitesStings.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1310. Observation.component:External_BitesStings.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1312. Observation.component:External_BitesStings.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1314. Observation.component:External_BitesStings.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1316. Observation.component:External_BitesStings_Specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NameExternal_BitesStings_Specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1318. Observation.component:External_BitesStings_Specify.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1320. Observation.component:External_BitesStings_Specify.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1322. Observation.component:External_BitesStings_Specify.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1324. Observation.component:External_BitesStings_Specify.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1326. Observation.component:External_BitesStings_Specify.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1328. Observation.component:External_BitesStings_Specify.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • 1330. Observation.component:External_BitesStings_Specify.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1332. Observation.component:External_BitesStings_Specify.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Pattern ValueSpecify animal/insect
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1334. Observation.component:External_BitesStings_Specify.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • 1336. Observation.component:External_BitesStings_Specify.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1338. Observation.component:External_BitesStings_Specify.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1340. Observation.component:External_BitesStings_Specify.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1342. Observation.component:External_BitesStings_Specify.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1344. Observation.component:External_Burns
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NameExternal_Burns
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1346. Observation.component:External_Burns.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1348. Observation.component:External_Burns.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1350. Observation.component:External_Burns.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1352. Observation.component:External_Burns.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "code" : "125666000",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "display" : "Burn (disorder)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1354. Observation.component:External_Burns.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • 1356. Observation.component:External_Burns.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1358. Observation.component:External_Burns.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1360. Observation.component:External_Burns.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1362. Observation.component:External_Burns.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1364. Observation.component:External_Burns_Specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NameExternal_Burns_Specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1366. Observation.component:External_Burns_Specify.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1368. Observation.component:External_Burns_Specify.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1370. Observation.component:External_Burns_Specify.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1372. Observation.component:External_Burns_Specify.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "code" : "88999006",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "display" : "Heat (physical force)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1374. Observation.component:External_Burns_Specify.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • 1376. Observation.component:External_Burns_Specify.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1378. Observation.component:External_Burns_Specify.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1380. Observation.component:External_Burns_Specify.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1382. Observation.component:External_Burns_Specify.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1384. Observation.component:External_Burns_OtherText
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NameExternal_Burns_OtherText
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1386. Observation.component:External_Burns_OtherText.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1388. Observation.component:External_Burns_OtherText.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1390. Observation.component:External_Burns_OtherText.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1392. Observation.component:External_Burns_OtherText.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1394. Observation.component:External_Burns_OtherText.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1396. Observation.component:External_Burns_OtherText.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • 1398. Observation.component:External_Burns_OtherText.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1400. Observation.component:External_Burns_OtherText.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Pattern ValueBurns - Others, specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1402. Observation.component:External_Burns_OtherText.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • 1404. Observation.component:External_Burns_OtherText.value[x]:valueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NamevalueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1406. Observation.component:External_Burns_OtherText.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1408. Observation.component:External_Burns_OtherText.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1410. Observation.component:External_Burns_OtherText.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1412. Observation.component:External_Chemical
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NameExternal_Chemical
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1414. Observation.component:External_Chemical.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1416. Observation.component:External_Chemical.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1418. Observation.component:External_Chemical.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1420. Observation.component:External_Chemical.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1422. Observation.component:External_Chemical.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1424. Observation.component:External_Chemical.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • 1426. Observation.component:External_Chemical.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1428. Observation.component:External_Chemical.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Pattern ValueChemical/substance
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1430. Observation.component:External_Chemical.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • 1432. Observation.component:External_Chemical.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1434. Observation.component:External_Chemical.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1436. Observation.component:External_Chemical.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1438. Observation.component:External_Chemical.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1440. Observation.component:External_Chemical_Specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NameExternal_Chemical_Specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1442. Observation.component:External_Chemical_Specify.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1444. Observation.component:External_Chemical_Specify.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1446. Observation.component:External_Chemical_Specify.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1448. Observation.component:External_Chemical_Specify.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1450. Observation.component:External_Chemical_Specify.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1452. Observation.component:External_Chemical_Specify.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • 1454. Observation.component:External_Chemical_Specify.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1456. Observation.component:External_Chemical_Specify.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Pattern ValueChemical/substance, specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1458. Observation.component:External_Chemical_Specify.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • 1460. Observation.component:External_Chemical_Specify.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1462. Observation.component:External_Chemical_Specify.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1464. Observation.component:External_Chemical_Specify.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1466. Observation.component:External_Chemical_Specify.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1468. Observation.component:External_ContactSharp
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NameExternal_ContactSharp
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1470. Observation.component:External_ContactSharp.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1472. Observation.component:External_ContactSharp.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1474. Observation.component:External_ContactSharp.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1476. Observation.component:External_ContactSharp.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1478. Observation.component:External_ContactSharp.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1480. Observation.component:External_ContactSharp.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • 1482. Observation.component:External_ContactSharp.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1484. Observation.component:External_ContactSharp.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Pattern ValueContact with sharp objects
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1486. Observation.component:External_ContactSharp.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • 1488. Observation.component:External_ContactSharp.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1490. Observation.component:External_ContactSharp.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1492. Observation.component:External_ContactSharp.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1494. Observation.component:External_ContactSharp.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1496. Observation.component:External_ContactSharp_Specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NameExternal_ContactSharp_Specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1498. Observation.component:External_ContactSharp_Specify.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1500. Observation.component:External_ContactSharp_Specify.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1502. Observation.component:External_ContactSharp_Specify.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1504. Observation.component:External_ContactSharp_Specify.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1506. Observation.component:External_ContactSharp_Specify.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1508. Observation.component:External_ContactSharp_Specify.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • 1510. Observation.component:External_ContactSharp_Specify.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1512. Observation.component:External_ContactSharp_Specify.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Pattern ValueContact with sharp objects, specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1514. Observation.component:External_ContactSharp_Specify.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • 1516. Observation.component:External_ContactSharp_Specify.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1518. Observation.component:External_ContactSharp_Specify.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1520. Observation.component:External_ContactSharp_Specify.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1522. Observation.component:External_ContactSharp_Specify.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1524. Observation.component:External_Drowning
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NameExternal_Drowning
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1526. Observation.component:External_Drowning.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1528. Observation.component:External_Drowning.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1530. Observation.component:External_Drowning.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1532. Observation.component:External_Drowning.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "code" : "40947009",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "display" : "Drowning (event)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1534. Observation.component:External_Drowning.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • 1536. Observation.component:External_Drowning.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1538. Observation.component:External_Drowning.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1540. Observation.component:External_Drowning.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1542. Observation.component:External_Drowning.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1544. Observation.component:External_Drowning_Type
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NameExternal_Drowning_Type
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1546. Observation.component:External_Drowning_Type.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1548. Observation.component:External_Drowning_Type.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1550. Observation.component:External_Drowning_Type.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1552. Observation.component:External_Drowning_Type.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "code" : "225742004",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "display" : "Sea (environment)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1554. Observation.component:External_Drowning_Type.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • 1556. Observation.component:External_Drowning_Type.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1558. Observation.component:External_Drowning_Type.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1560. Observation.component:External_Drowning_Type.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1562. Observation.component:External_Drowning_Type.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1564. Observation.component:External_Drowning_OtherText
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NameExternal_Drowning_OtherText
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1566. Observation.component:External_Drowning_OtherText.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1568. Observation.component:External_Drowning_OtherText.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1570. Observation.component:External_Drowning_OtherText.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1572. Observation.component:External_Drowning_OtherText.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1574. Observation.component:External_Drowning_OtherText.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1576. Observation.component:External_Drowning_OtherText.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • 1578. Observation.component:External_Drowning_OtherText.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1580. Observation.component:External_Drowning_OtherText.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Pattern ValueDrowning - Others, specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1582. Observation.component:External_Drowning_OtherText.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • 1584. Observation.component:External_Drowning_OtherText.value[x]:valueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NamevalueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1586. Observation.component:External_Drowning_OtherText.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1588. Observation.component:External_Drowning_OtherText.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1590. Observation.component:External_Drowning_OtherText.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1592. Observation.component:External_ExposureForces
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NameExternal_ExposureForces
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1594. Observation.component:External_ExposureForces.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1596. Observation.component:External_ExposureForces.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1598. Observation.component:External_ExposureForces.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1600. Observation.component:External_ExposureForces.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1602. Observation.component:External_ExposureForces.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1604. Observation.component:External_ExposureForces.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • 1606. Observation.component:External_ExposureForces.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1608. Observation.component:External_ExposureForces.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Pattern ValueExposure to forces of nature
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1610. Observation.component:External_ExposureForces.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • 1612. Observation.component:External_ExposureForces.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1614. Observation.component:External_ExposureForces.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingThe codes SHOULD be taken from External Cause ValueSet (example)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (preferred to https://build.fhir.org/ig/UPM-NTHC/PH-RoadSafetyIG/ValueSet/external-cause-vs)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1616. Observation.component:External_ExposureForces.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1618. Observation.component:External_ExposureForces.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1620. Observation.component:External_ExposureForces.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1622. Observation.component:External_Fall
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NameExternal_Fall
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1624. Observation.component:External_Fall.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1626. Observation.component:External_Fall.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1628. Observation.component:External_Fall.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1630. Observation.component:External_Fall.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "code" : "1912002",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "display" : "Fall (event)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1632. Observation.component:External_Fall.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • 1634. Observation.component:External_Fall.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1636. Observation.component:External_Fall.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1638. Observation.component:External_Fall.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1640. Observation.component:External_Fall.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1642. Observation.component:External_Fall_Specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NameExternal_Fall_Specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1644. Observation.component:External_Fall_Specify.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1646. Observation.component:External_Fall_Specify.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1648. Observation.component:External_Fall_Specify.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1650. Observation.component:External_Fall_Specify.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1652. Observation.component:External_Fall_Specify.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1654. Observation.component:External_Fall_Specify.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • 1656. Observation.component:External_Fall_Specify.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1658. Observation.component:External_Fall_Specify.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Pattern ValueFall - specify location/type
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1660. Observation.component:External_Fall_Specify.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • 1662. Observation.component:External_Fall_Specify.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1664. Observation.component:External_Fall_Specify.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1666. Observation.component:External_Fall_Specify.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1668. Observation.component:External_Fall_Specify.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1670. Observation.component:External_Firecracker
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NameExternal_Firecracker
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1672. Observation.component:External_Firecracker.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1674. Observation.component:External_Firecracker.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1676. Observation.component:External_Firecracker.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1678. Observation.component:External_Firecracker.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1680. Observation.component:External_Firecracker.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1682. Observation.component:External_Firecracker.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • 1684. Observation.component:External_Firecracker.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1686. Observation.component:External_Firecracker.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Pattern ValueFirecracker
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1688. Observation.component:External_Firecracker.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • 1690. Observation.component:External_Firecracker.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1692. Observation.component:External_Firecracker.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1694. Observation.component:External_Firecracker.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1696. Observation.component:External_Firecracker.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1698. Observation.component:External_Firecracker_Specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NameExternal_Firecracker_Specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1700. Observation.component:External_Firecracker_Specify.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1702. Observation.component:External_Firecracker_Specify.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1704. Observation.component:External_Firecracker_Specify.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1706. Observation.component:External_Firecracker_Specify.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1708. Observation.component:External_Firecracker_Specify.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1710. Observation.component:External_Firecracker_Specify.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • 1712. Observation.component:External_Firecracker_Specify.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1714. Observation.component:External_Firecracker_Specify.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Pattern ValueFirecracker - specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1716. Observation.component:External_Firecracker_Specify.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • 1718. Observation.component:External_Firecracker_Specify.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1720. Observation.component:External_Firecracker_Specify.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1722. Observation.component:External_Firecracker_Specify.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1724. Observation.component:External_Firecracker_Specify.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1726. Observation.component:External_Gunshot
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NameExternal_Gunshot
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1728. Observation.component:External_Gunshot.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1730. Observation.component:External_Gunshot.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1732. Observation.component:External_Gunshot.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1734. Observation.component:External_Gunshot.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1736. Observation.component:External_Gunshot.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1738. Observation.component:External_Gunshot.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • 1740. Observation.component:External_Gunshot.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1742. Observation.component:External_Gunshot.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Pattern ValueGunshot
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1744. Observation.component:External_Gunshot.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • 1746. Observation.component:External_Gunshot.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1748. Observation.component:External_Gunshot.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1750. Observation.component:External_Gunshot.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1752. Observation.component:External_Gunshot.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1754. Observation.component:External_Gunshot_Specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NameExternal_Gunshot_Specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1756. Observation.component:External_Gunshot_Specify.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1758. Observation.component:External_Gunshot_Specify.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1760. Observation.component:External_Gunshot_Specify.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1762. Observation.component:External_Gunshot_Specify.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1764. Observation.component:External_Gunshot_Specify.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1766. Observation.component:External_Gunshot_Specify.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • 1768. Observation.component:External_Gunshot_Specify.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1770. Observation.component:External_Gunshot_Specify.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Pattern ValueGunshot - specify weapon
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1772. Observation.component:External_Gunshot_Specify.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • 1774. Observation.component:External_Gunshot_Specify.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1776. Observation.component:External_Gunshot_Specify.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1778. Observation.component:External_Gunshot_Specify.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1780. Observation.component:External_Gunshot_Specify.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1782. Observation.component:External_Hanging
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NameExternal_Hanging
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1784. Observation.component:External_Hanging.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1786. Observation.component:External_Hanging.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1788. Observation.component:External_Hanging.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1790. Observation.component:External_Hanging.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1792. Observation.component:External_Hanging.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1794. Observation.component:External_Hanging.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • 1796. Observation.component:External_Hanging.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1798. Observation.component:External_Hanging.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Pattern ValueHanging/Strangulation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1800. Observation.component:External_Hanging.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • 1802. Observation.component:External_Hanging.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1804. Observation.component:External_Hanging.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1806. Observation.component:External_Hanging.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1808. Observation.component:External_Hanging.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1810. Observation.component:External_MaulingAssault
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NameExternal_MaulingAssault
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1812. Observation.component:External_MaulingAssault.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1814. Observation.component:External_MaulingAssault.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1816. Observation.component:External_MaulingAssault.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1818. Observation.component:External_MaulingAssault.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1820. Observation.component:External_MaulingAssault.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1822. Observation.component:External_MaulingAssault.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • 1824. Observation.component:External_MaulingAssault.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1826. Observation.component:External_MaulingAssault.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Pattern ValueMauling/Assault
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1828. Observation.component:External_MaulingAssault.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • 1830. Observation.component:External_MaulingAssault.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1832. Observation.component:External_MaulingAssault.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1834. Observation.component:External_MaulingAssault.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1836. Observation.component:External_MaulingAssault.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1838. Observation.component:External_SexualAssault
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NameExternal_SexualAssault
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1840. Observation.component:External_SexualAssault.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1842. Observation.component:External_SexualAssault.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1844. Observation.component:External_SexualAssault.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1846. Observation.component:External_SexualAssault.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1848. Observation.component:External_SexualAssault.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1850. Observation.component:External_SexualAssault.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • 1852. Observation.component:External_SexualAssault.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1854. Observation.component:External_SexualAssault.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Pattern ValueSexual Assault/ Sexual Abuse/ Rape (Alleged)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1856. Observation.component:External_SexualAssault.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • 1858. Observation.component:External_SexualAssault.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1860. Observation.component:External_SexualAssault.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1862. Observation.component:External_SexualAssault.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1864. Observation.component:External_SexualAssault.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1866. Observation.component:External_TransportVehicularAccident
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NameExternal_TransportVehicularAccident
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1868. Observation.component:External_TransportVehicularAccident.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1870. Observation.component:External_TransportVehicularAccident.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1872. Observation.component:External_TransportVehicularAccident.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1874. Observation.component:External_TransportVehicularAccident.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "code" : "274215009",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "display" : "Transport accident (event)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1876. Observation.component:External_TransportVehicularAccident.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Closed, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • 1878. Observation.component:External_TransportVehicularAccident.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1880. Observation.component:External_TransportVehicularAccident.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1882. Observation.component:External_TransportVehicularAccident.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1884. Observation.component:External_TransportVehicularAccident.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1886. Observation.component:External_Others
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NameExternal_Others
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1888. Observation.component:External_Others.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1890. Observation.component:External_Others.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1892. Observation.component:External_Others.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1894. Observation.component:External_Others.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1896. Observation.component:External_Others.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1898. Observation.component:External_Others.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • 1900. Observation.component:External_Others.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1902. Observation.component:External_Others.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Pattern ValueOthers (external cause)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1904. Observation.component:External_Others.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • 1906. Observation.component:External_Others.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1908. Observation.component:External_Others.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1910. Observation.component:External_Others.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1912. Observation.component:External_Others.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1914. Observation.component:External_Others_Specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NameExternal_Others_Specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1916. Observation.component:External_Others_Specify.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1918. Observation.component:External_Others_Specify.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1920. Observation.component:External_Others_Specify.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1922. Observation.component:External_Others_Specify.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1924. Observation.component:External_Others_Specify.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1926. Observation.component:External_Others_Specify.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • 1928. Observation.component:External_Others_Specify.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1930. Observation.component:External_Others_Specify.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Pattern ValueOthers, specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1932. Observation.component:External_Others_Specify.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • 1934. Observation.component:External_Others_Specify.value[x]:valueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NamevalueCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1936. Observation.component:External_Others_Specify.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1938. Observation.component:External_Others_Specify.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1940. Observation.component:External_Others_Specify.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1942. Observation.component:DateReceived
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NameDateReceived
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1944. Observation.component:DateReceived.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1946. Observation.component:DateReceived.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1948. Observation.component:DateReceived.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1950. Observation.component:DateReceived.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "system" : "http://loinc.org",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "code" : "30976-5",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "display" : "Date received Form"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1952. Observation.component:DateReceived.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • 1954. Observation.component:DateReceived.value[x]:valueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypedateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1956. Observation.component:DateReceived.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1958. Observation.component:DateReceived.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1960. Observation.component:DateReceived.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1962. Observation.component:TimeReceived
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NameTimeReceived
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1964. Observation.component:TimeReceived.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1966. Observation.component:TimeReceived.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1968. Observation.component:TimeReceived.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1970. Observation.component:TimeReceived.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1972. Observation.component:TimeReceived.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1974. Observation.component:TimeReceived.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • 1976. Observation.component:TimeReceived.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1978. Observation.component:TimeReceived.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Pattern ValueTime received
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1980. Observation.component:TimeReceived.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • 1982. Observation.component:TimeReceived.value[x]:valueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypedateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1984. Observation.component:TimeReceived.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1986. Observation.component:TimeReceived.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1988. Observation.component:TimeReceived.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1990. Observation.component:TimeEnroute
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NameTimeEnroute
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1992. Observation.component:TimeEnroute.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1994. Observation.component:TimeEnroute.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1996. Observation.component:TimeEnroute.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1998. Observation.component:TimeEnroute.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2000. Observation.component:TimeEnroute.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2002. Observation.component:TimeEnroute.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • 2004. Observation.component:TimeEnroute.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2006. Observation.component:TimeEnroute.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Pattern ValueTime enroute (dispatched)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2008. Observation.component:TimeEnroute.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • 2010. Observation.component:TimeEnroute.value[x]:valueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NamevalueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypedateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2012. Observation.component:TimeEnroute.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2014. Observation.component:TimeEnroute.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2016. Observation.component:TimeEnroute.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2018. Observation.component:TimeOnScene
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NameTimeOnScene
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2020. Observation.component:TimeOnScene.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2022. Observation.component:TimeOnScene.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2024. Observation.component:TimeOnScene.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2026. Observation.component:TimeOnScene.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2028. Observation.component:TimeOnScene.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2030. Observation.component:TimeOnScene.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • 2032. Observation.component:TimeOnScene.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2034. Observation.component:TimeOnScene.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Pattern ValueTime on scene
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2036. Observation.component:TimeOnScene.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • 2038. Observation.component:TimeOnScene.value[x]:valueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NamevalueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypedateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2040. Observation.component:TimeOnScene.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2042. Observation.component:TimeOnScene.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2044. Observation.component:TimeOnScene.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2046. Observation.component:TimeDeparted
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NameTimeDeparted
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2048. Observation.component:TimeDeparted.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2050. Observation.component:TimeDeparted.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2052. Observation.component:TimeDeparted.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2054. Observation.component:TimeDeparted.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2056. Observation.component:TimeDeparted.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2058. Observation.component:TimeDeparted.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • 2060. Observation.component:TimeDeparted.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2062. Observation.component:TimeDeparted.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Pattern ValueTime departed scene
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2064. Observation.component:TimeDeparted.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • 2066. Observation.component:TimeDeparted.value[x]:valueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypedateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2068. Observation.component:TimeDeparted.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2070. Observation.component:TimeDeparted.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2072. Observation.component:TimeDeparted.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2074. Observation.component:TimeHospitalArrival
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NameTimeHospitalArrival
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2076. Observation.component:TimeHospitalArrival.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2078. Observation.component:TimeHospitalArrival.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2080. Observation.component:TimeHospitalArrival.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2082. Observation.component:TimeHospitalArrival.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2084. Observation.component:TimeHospitalArrival.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2086. Observation.component:TimeHospitalArrival.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • 2088. Observation.component:TimeHospitalArrival.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2090. Observation.component:TimeHospitalArrival.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Pattern ValueTime of hospital arrival
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2092. Observation.component:TimeHospitalArrival.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • 2094. Observation.component:TimeHospitalArrival.value[x]:valueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypedateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2096. Observation.component:TimeHospitalArrival.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2098. Observation.component:TimeHospitalArrival.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2100. Observation.component:TimeHospitalArrival.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2102. Observation.component:TimeStationArrival
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NameTimeStationArrival
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2104. Observation.component:TimeStationArrival.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2106. Observation.component:TimeStationArrival.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2108. Observation.component:TimeStationArrival.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2110. Observation.component:TimeStationArrival.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2112. Observation.component:TimeStationArrival.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2114. Observation.component:TimeStationArrival.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • 2116. Observation.component:TimeStationArrival.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2118. Observation.component:TimeStationArrival.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Pattern ValueTime of emergency station arrival
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2120. Observation.component:TimeStationArrival.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • 2122. Observation.component:TimeStationArrival.value[x]:valueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NamevalueDateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypedateTime
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2124. Observation.component:TimeStationArrival.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2126. Observation.component:TimeStationArrival.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2128. Observation.component:TimeStationArrival.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2130. Observation.component:TransferredFromFacility
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NameTransferredFromFacility
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2132. Observation.component:TransferredFromFacility.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2134. Observation.component:TransferredFromFacility.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2136. Observation.component:TransferredFromFacility.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2138. Observation.component:TransferredFromFacility.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2140. Observation.component:TransferredFromFacility.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2142. Observation.component:TransferredFromFacility.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • 2144. Observation.component:TransferredFromFacility.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2146. Observation.component:TransferredFromFacility.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Pattern ValueTransferred from another hospital/facility
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2148. Observation.component:TransferredFromFacility.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • 2150. Observation.component:TransferredFromFacility.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2152. Observation.component:TransferredFromFacility.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2154. Observation.component:TransferredFromFacility.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2156. Observation.component:TransferredFromFacility.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2158. Observation.component:ReferredFromFacility
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NameReferredFromFacility
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2160. Observation.component:ReferredFromFacility.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2162. Observation.component:ReferredFromFacility.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2164. Observation.component:ReferredFromFacility.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2166. Observation.component:ReferredFromFacility.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2168. Observation.component:ReferredFromFacility.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2170. Observation.component:ReferredFromFacility.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • 2172. Observation.component:ReferredFromFacility.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2174. Observation.component:ReferredFromFacility.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Pattern ValueReferred by another hospital/facility
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2176. Observation.component:ReferredFromFacility.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • 2178. Observation.component:ReferredFromFacility.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2180. Observation.component:ReferredFromFacility.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2182. Observation.component:ReferredFromFacility.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2184. Observation.component:ReferredFromFacility.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2186. Observation.component:HowManyVehiclesInvolved
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NameHowManyVehiclesInvolved
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2188. Observation.component:HowManyVehiclesInvolved.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2190. Observation.component:HowManyVehiclesInvolved.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2192. Observation.component:HowManyVehiclesInvolved.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2194. Observation.component:HowManyVehiclesInvolved.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2196. Observation.component:HowManyVehiclesInvolved.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2198. Observation.component:HowManyVehiclesInvolved.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • 2200. Observation.component:HowManyVehiclesInvolved.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2202. Observation.component:HowManyVehiclesInvolved.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Pattern ValueHow many vehicles involved
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2204. Observation.component:HowManyVehiclesInvolved.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • 2206. Observation.component:HowManyVehiclesInvolved.value[x]:valueInteger
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueInteger
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typeinteger
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2208. Observation.component:HowManyVehiclesInvolved.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2210. Observation.component:HowManyVehiclesInvolved.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2212. Observation.component:HowManyVehiclesInvolved.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2214. Observation.component:HowManyPatientsInvolved
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NameHowManyPatientsInvolved
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2216. Observation.component:HowManyPatientsInvolved.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2218. Observation.component:HowManyPatientsInvolved.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2220. Observation.component:HowManyPatientsInvolved.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2222. Observation.component:HowManyPatientsInvolved.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2224. Observation.component:HowManyPatientsInvolved.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2226. Observation.component:HowManyPatientsInvolved.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • 2228. Observation.component:HowManyPatientsInvolved.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2230. Observation.component:HowManyPatientsInvolved.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Pattern ValueHow many patients involved
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2232. Observation.component:HowManyPatientsInvolved.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • 2234. Observation.component:HowManyPatientsInvolved.value[x]:valueInteger
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NamevalueInteger
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typeinteger
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2236. Observation.component:HowManyPatientsInvolved.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2238. Observation.component:HowManyPatientsInvolved.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2240. Observation.component:HowManyPatientsInvolved.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2242. Observation.component:CCTV_Reconstruction
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Slice NameCCTV_Reconstruction
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2244. Observation.component:CCTV_Reconstruction.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2246. Observation.component:CCTV_Reconstruction.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2248. Observation.component:CCTV_Reconstruction.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2250. Observation.component:CCTV_Reconstruction.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2252. Observation.component:CCTV_Reconstruction.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2254. Observation.component:CCTV_Reconstruction.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • 2256. Observation.component:CCTV_Reconstruction.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2258. Observation.component:CCTV_Reconstruction.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Pattern ValueCCTV video, reconstruction of what happened
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2260. Observation.component:CCTV_Reconstruction.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • 2262. Observation.component:CCTV_Reconstruction.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2264. Observation.component:CCTV_Reconstruction.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2266. Observation.component:CCTV_Reconstruction.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2268. Observation.component:CCTV_Reconstruction.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2270. Observation.component:Exposure_Heat
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Slice NameExposure_Heat
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2272. Observation.component:Exposure_Heat.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2274. Observation.component:Exposure_Heat.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2276. Observation.component:Exposure_Heat.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2278. Observation.component:Exposure_Heat.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "code" : "88999006",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "display" : "Heat (physical force)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2280. Observation.component:Exposure_Heat.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • 2282. Observation.component:Exposure_Heat.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2284. Observation.component:Exposure_Heat.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2286. Observation.component:Exposure_Heat.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2288. Observation.component:Exposure_Heat.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2290. Observation.component:Exposure_Fire
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NameExposure_Fire
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2292. Observation.component:Exposure_Fire.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2294. Observation.component:Exposure_Fire.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2296. Observation.component:Exposure_Fire.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2298. Observation.component:Exposure_Fire.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "code" : "80032004",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "display" : "Fire (physical force)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2300. Observation.component:Exposure_Fire.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • 2302. Observation.component:Exposure_Fire.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2304. Observation.component:Exposure_Fire.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2306. Observation.component:Exposure_Fire.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2308. Observation.component:Exposure_Fire.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2310. Observation.component:Exposure_Electricity
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Slice NameExposure_Electricity
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2312. Observation.component:Exposure_Electricity.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2314. Observation.component:Exposure_Electricity.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2316. Observation.component:Exposure_Electricity.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2318. Observation.component:Exposure_Electricity.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "code" : "18213006",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "display" : "Electricity (physical force)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2320. Observation.component:Exposure_Electricity.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • 2322. Observation.component:Exposure_Electricity.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2324. Observation.component:Exposure_Electricity.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2326. Observation.component:Exposure_Electricity.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2328. Observation.component:Exposure_Electricity.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2330. Observation.component:Exposure_Friction
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NameExposure_Friction
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2332. Observation.component:Exposure_Friction.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2334. Observation.component:Exposure_Friction.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2336. Observation.component:Exposure_Friction.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2338. Observation.component:Exposure_Friction.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "code" : "263762005",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "display" : "Friction (physical force)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2340. Observation.component:Exposure_Friction.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • 2342. Observation.component:Exposure_Friction.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2344. Observation.component:Exposure_Friction.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2346. Observation.component:Exposure_Friction.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2348. Observation.component:Exposure_Friction.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2350. Observation.component:Exposure_Oil
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Slice NameExposure_Oil
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2352. Observation.component:Exposure_Oil.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2354. Observation.component:Exposure_Oil.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2356. Observation.component:Exposure_Oil.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2358. Observation.component:Exposure_Oil.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Pattern Value{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "coding" : [{
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "system" : "http://snomed.info/sct",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "code" : "21847005",
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "display" : "Oil (substance)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          }]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2360. Observation.component:Exposure_Oil.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • 2362. Observation.component:Exposure_Oil.value[x]:valueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NamevalueBoolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typeboolean
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2364. Observation.component:Exposure_Oil.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2366. Observation.component:Exposure_Oil.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2368. Observation.component:Exposure_Oil.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2370. Observation.component:ModeOfTransport_Other
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NameModeOfTransport_Other
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2372. Observation.component:ModeOfTransport_Other.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2374. Observation.component:ModeOfTransport_Other.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2376. Observation.component:ModeOfTransport_Other.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2378. Observation.component:ModeOfTransport_Other.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2380. Observation.component:ModeOfTransport_Other.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2382. Observation.component:ModeOfTransport_Other.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • 2384. Observation.component:ModeOfTransport_Other.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2386. Observation.component:ModeOfTransport_Other.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Pattern ValueMode of transport - Others, specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2388. Observation.component:ModeOfTransport_Other.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • 2390. Observation.component:ModeOfTransport_Other.value[x]:valueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NamevalueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2392. Observation.component:ModeOfTransport_Other.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2394. Observation.component:ModeOfTransport_Other.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2396. Observation.component:ModeOfTransport_Other.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2398. Observation.component:PlaceOfOccurrence_WorkplaceName
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NamePlaceOfOccurrence_WorkplaceName
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2400. Observation.component:PlaceOfOccurrence_WorkplaceName.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2402. Observation.component:PlaceOfOccurrence_WorkplaceName.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2404. Observation.component:PlaceOfOccurrence_WorkplaceName.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2406. Observation.component:PlaceOfOccurrence_WorkplaceName.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2408. Observation.component:PlaceOfOccurrence_WorkplaceName.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2410. Observation.component:PlaceOfOccurrence_WorkplaceName.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • 2412. Observation.component:PlaceOfOccurrence_WorkplaceName.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2414. Observation.component:PlaceOfOccurrence_WorkplaceName.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Pattern ValuePlace of occurrence - Workplace, specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2416. Observation.component:PlaceOfOccurrence_WorkplaceName.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • 2418. Observation.component:PlaceOfOccurrence_WorkplaceName.value[x]:valueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NamevalueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2420. Observation.component:PlaceOfOccurrence_WorkplaceName.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2422. Observation.component:PlaceOfOccurrence_WorkplaceName.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2424. Observation.component:PlaceOfOccurrence_WorkplaceName.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2426. Observation.component:PlaceOfOccurrence_Other
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NamePlaceOfOccurrence_Other
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2428. Observation.component:PlaceOfOccurrence_Other.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2430. Observation.component:PlaceOfOccurrence_Other.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2432. Observation.component:PlaceOfOccurrence_Other.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2434. Observation.component:PlaceOfOccurrence_Other.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2436. Observation.component:PlaceOfOccurrence_Other.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2438. Observation.component:PlaceOfOccurrence_Other.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • 2440. Observation.component:PlaceOfOccurrence_Other.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2442. Observation.component:PlaceOfOccurrence_Other.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Pattern ValuePlace of occurrence - Others, specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2444. Observation.component:PlaceOfOccurrence_Other.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • 2446. Observation.component:PlaceOfOccurrence_Other.value[x]:valueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NamevalueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2448. Observation.component:PlaceOfOccurrence_Other.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2450. Observation.component:PlaceOfOccurrence_Other.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2452. Observation.component:PlaceOfOccurrence_Other.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2454. Observation.component:ActivityAtIncident_Other
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Slice NameActivityAtIncident_Other
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2456. Observation.component:ActivityAtIncident_Other.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2458. Observation.component:ActivityAtIncident_Other.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2460. Observation.component:ActivityAtIncident_Other.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2462. Observation.component:ActivityAtIncident_Other.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2464. Observation.component:ActivityAtIncident_Other.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2466. Observation.component:ActivityAtIncident_Other.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • 2468. Observation.component:ActivityAtIncident_Other.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2470. Observation.component:ActivityAtIncident_Other.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Pattern ValueActivity at incident - Others, specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2472. Observation.component:ActivityAtIncident_Other.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • 2474. Observation.component:ActivityAtIncident_Other.value[x]:valueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NamevalueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2476. Observation.component:ActivityAtIncident_Other.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2478. Observation.component:ActivityAtIncident_Other.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2480. Observation.component:ActivityAtIncident_Other.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2482. Observation.component:OtherRiskFactors_Other
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Slice NameOtherRiskFactors_Other
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2484. Observation.component:OtherRiskFactors_Other.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2486. Observation.component:OtherRiskFactors_Other.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2488. Observation.component:OtherRiskFactors_Other.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2490. Observation.component:OtherRiskFactors_Other.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2492. Observation.component:OtherRiskFactors_Other.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2494. Observation.component:OtherRiskFactors_Other.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • 2496. Observation.component:OtherRiskFactors_Other.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2498. Observation.component:OtherRiskFactors_Other.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Pattern ValueOther risk factors - Others, specify
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2500. Observation.component:OtherRiskFactors_Other.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • 2502. Observation.component:OtherRiskFactors_Other.value[x]:valueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NamevalueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2504. Observation.component:OtherRiskFactors_Other.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2506. Observation.component:OtherRiskFactors_Other.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2508. Observation.component:OtherRiskFactors_Other.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2510. Observation.component:Remarks
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Slice NameRemarks
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Some observations have multiple component observations. These component observations are expressed as separate code value pairs that share the same attributes. Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortComponent results
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              For a discussion on the ways Observations can be assembled in groups together see Notes below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeBackboneElement
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable). However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2512. Observation.component:Remarks.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2514. Observation.component:Remarks.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2516. Observation.component:Remarks.modifierExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content, modifiers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2518. Observation.component:Remarks.code
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Describes what was observed. Sometimes this is called the observation "code".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortType of component observation (code / type)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              All code-value and component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control1..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BindingFor example codes, see LOINCCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              (example to http://hl7.org/fhir/ValueSet/observation-codes|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Codes identifying names of simple observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Knowing what kind of observation is being made is essential to understanding the observation.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2520. Observation.component:Remarks.code.id
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortUnique id for inter-element referencing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              XML FormatIn the XML format, this property is represented as an attribute.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2522. Observation.component:Remarks.code.extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ShortAdditional content defined by implementations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              TypeExtension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Alternate Namesextensions, user content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              SlicingThis element introduces a set of slices on Observation.component.code.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • value @ url
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • 2524. Observation.component:Remarks.code.coding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A reference to a code defined by a terminology system.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortCode defined by a terminology system
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeCoding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Allows for alternative encodings within a code system, and translations to other code systems.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2526. Observation.component:Remarks.code.text
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortPlain text representation of the concept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Very often the text is the same as a displayName of one of the codings.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Pattern ValueRemarks (transport/handover)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2528. Observation.component:Remarks.value[x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                TypeChoice of: Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                SlicingThis element introduces a set of slices on Observation.component.value[x]. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • type @ $this
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • 2530. Observation.component:Remarks.value[x]:valueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Slice NamevalueString
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The information determined as a result of making the observation, if the information has a simple value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortActual component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Used when observation has a set of component observations. An observation may have both a value (e.g. an Apgar score) and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value. For additional guidance, see the Notes section below.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Typestring
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summarytrue
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2532. Observation.component:Remarks.dataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Provides a reason why the expected value in the element Observation.component.value[x] is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortWhy the component result is missing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "Null" or exceptional values can be represented two ways in FHIR Observations. One way is to simply include them in the value set and represent the exceptions in the value. For example, measurement values for a serology test could be "detected", "not detected", "inconclusive", or "test not done".

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  The alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values. For example, the dataAbsentReason code "error" could be used when the measurement was not completed. Because of these options, use-case agreements are required to interpret general observations for exceptional values.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  This element is affected by the following invariants: obs-6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from DataAbsentReason
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes specifying why the result (Observation.value[x]) is missing.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For many results it is necessary to handle exceptional values in measurements.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2534. Observation.component:Remarks.interpretation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  A categorical assessment of an observation value. For example, high, low, normal.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortHigh, low, normal, etc.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Historically used for laboratory results (known as 'abnormal flag' ), its use extends to other use cases where coded interpretations are relevant. Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  BindingUnless not suitable, these codes SHALL be taken from ObservationInterpretationCodes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  (extensible to http://hl7.org/fhir/ValueSet/observation-interpretation|4.0.1)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Codes identifying interpretations of observations.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeCodeableConcept
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Alternate NamesAbnormal Flag
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2536. Observation.component:Remarks.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Definition

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Guidance on how to interpret the value by comparison to a normal or recommended range.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ShortProvides guide for interpretation of component result
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Comments

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Control0..*
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  TypeSeettp://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Is Modifierfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Summaryfalse
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Requirements

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Knowing what values are considered "normal" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))